 | Barite, 5521 | Heavy sample of brown opaque extremely thin plates aligned parallel. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Malachite, 8954 | Heavy sample of dark gray massive copper ore with a fracture surface covered with bright green fibrous malachite in radial sprays of small tufts. | Cooper, Thomas, 1759-1839 | | |
 | Aragonite, 3269 | Isolated cluster of chatoyant gray (with dark red impurities) translucent twinned (penetration) crystals of aragonite, forming short pseudohexagonal columns. Additional twinned crystals occur within the center of the hexagonal formation. | Cooper, Thomas, 1759-1839 | | Aragon, Spain |
 | Orthoclase, 11147 | Very large isolated cleavage block of tan orthoclase feldspar with approximately 90 degree cleavage along the short axis and 120-60 degree angles around the long axis. | Cooper, Thomas, 1759-1839 | | Germantown, Philadelphia, Philadelphia County, Pennsylvania, United States |
 | Coal, Lignite, 5169 | Dark gray to black and brown sample of lignite coal, retaining the structure of wood. | Cooper, Thomas, 1759-1839 | | Bovey Tracey, Devon, England, United Kingdom |
 | Marble, 12477 | Thin, nearly square slab of tan, very fine grained limestone with dark brown dendrites. One side is polished and has very small dendrites, while the unpolished surface has large dendrites along one edge. A diffuse layer of black dendrites are also present on the polished surface. | Cooper, Thomas, 1759-1839 | | |
 | Scapolite, 5085 | Small sample of several intergrown gray prismatic opaque scapolite, var. wernerite crystals in pink feldspar and iron stained massive quartz. | Cooper, Thomas, 1759-1839 | | Ut' Mines, Ut', S'dermanland, Sweden |
 | Titanite, 7028 | Rock sample composed of white massive quartz with greenish black diopside and small brown translucent crystals of titanite. | Cooper, Thomas, 1759-1839; Vanuxem, Lardner, 1792-1848 | | Rogers Rock, Lake George, Hague, Warren County, New York, United States |
 | Calcite, 8607 | Clusters of colorless translucent stacked hexagonal plates of calcite on a base of white massive dolomite with rhombohedral cleavage intergrown with silver metallic cubic and massive galena. | Cooper, Thomas, 1759-1839 | | |
 | Pyromorphite, 3293 | Specimen is a heavy vesicular mass of black metallic material (lead?) with green adamantine granular pyromorphite in numerous vugs. | Cooper, Thomas, 1759-1839 | | Freiburg (Fribourg), Saxony, Germany |
 | Barite, 5497 | Heavy sample of intricately clustered white opaque intersecting blades of barite covered on each side with orange brown staining. The base of the specimen contains dark reddish brown massive sphalerite and metallic brassy yellow massive chalcopyrite. | Cooper, Thomas, 1759-1839 | | Bad Harzburg, Harz, Lower Saxony, Germany |
 | Barite, 5510 | Cluster of white bladed tabular crystals of barite (coxcomb formation) emanating from a base of small barite crystals with orange clay matrix. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Marble, 12517 | Thick, roughly rectangular slab of black, fine grained marble with a very thin layer of crystallized calcite on the underside. The top surface is polished, while the underside is heavily chipped. | Cooper, Thomas, 1759-1839 | | |
 | Tremolite, 6693 | Large heavy specimen of white fibrous pearly tremolite with pale green formations of jade included. | Cooper, Thomas, 1759-1839 | | Easton, Northampton County, Pennsylvania, United States |
 | Scapolite, 5077 | Rock specimen with gray, orange, and pale lavendar prismatic crystals of scapolite with striated faces and pearly luster, embedded in colorless massive quartz. Black biotite mica is also present. A small broken crystal fragment of wernerite is also present. Wernerite is an intermediate member of the scapolite group (nearly equal amounts of Na & Ca). | Cooper, Thomas, 1759-1839 | | Bolton, Worcester County, Massachusetts, United States |
 | Apatite, 9187 | Rock specimen with small hexagonal olive green apatite crystals (some with formed terminations) in a matrix of clear quartz and pink vesicular? volcanic rock. A few diamond shaped biotite crystals are also present. | Cooper, Thomas, 1759-1839 | | Spain |
 | Cerite, 3498 | Small fragment of dark brick red massive cerite with a thin vein of colorless massive quartz. | Cooper, Thomas, 1759-1839 | | Riddarhyttan, Vastmanland, Sweden |
 | Calcite, 8594 | Cluster of numerous large (1.5 cm long) and small rhombohedral and rounded crystals of translucent calcite with dark yellow to orange banding within. Crystals occur on a blocky base of gray limestone. | Cooper, Thomas, 1759-1839 | | |
 | Barite, 5493 | Small sample of pearly white massive barite intergrown with coppery sphalerite, and small amounts of silver metallic galena. | Cooper, Thomas, 1759-1839 | | Perkiomen, Montgomery County, Pennsylvania, United States |
 | Chrysoberyl, 3190 | Small rock fragment with a layer of massive yellow green, translucent, striated chrysoberyl, var. cymophane, with a thick massive layer of bluish green translucent beryl covering it. | Cooper, Thomas, 1759-1839 | | Haddam, Middlesex County, Connecticut, United States |
 | Dolomite, 8787 | Blocky sample of pearly white and gray massive dolomite with small pale yellow metallic crystals of pyrite embedded within on side. | Cooper, Thomas, 1759-1839 | | |
 | Garnet, 7278 | Rock specimen of silvery muscovite a dark gray phyllite with numerous dark red dodecahedral garnets (probably almandine) and three dark red single prismatic staurolite crystals. | Cooper, Thomas, 1759-1839 | | Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, United States |
 | Natrolite, 5108 | Small block of dark gray amygdaloidal basalt with several voids filled with green and gray botryoidal natrolite. These are formed from radiating clusters of fibrous natrolite when observed from a broken side. | Cooper, Thomas, 1759-1839 | | |
 | Vesuvianite, 6886 | Crystals of brown translucent tetragonal prisms of vesuvianite with dark green biotite and white muscovite mica. | Cooper, Thomas, 1759-1839 | | Mount Vesuvius, Napoli, Campania, Italy |
 | Garnet, 11306 | Sample composed almost entirely of small brownish intergrown dodecahedral garnet crystals. | Cooper, Thomas, 1759-1839 | | Warwick, Chester County, Pennsylvania, United States |
 | Crocoite, 3337 | Crystal cluster of randomly oriented bright red elongate prisms of crocoite with striations on the crystal faces, in a matrix of black to gray botryoidal material, possibly hematite. **HEALTH WARNING** | Cooper, Thomas, 1759-1839 | | Dundas, Zeehan District, Tasmania, Australia |
 | Gypsum, 11318 | Isolated partial twin of colorless to pale yellow gypsum with gray shale embedded in crevices. | Cooper, Thomas, 1759-1839 | | Baltimore, Maryland, United States |
 | Barite, 5491 | Small, heavy, sample of opaque pearly white arborescent barite in a matrix of brown angluar sand grains. | Cooper, Thomas, 1759-1839 | | Transylvania, Romania |
 | Calcite, 8605 | Cluster of colorless cloudy short hexagonal calcite crystals with colorless granular calcite encrusting. | Cooper, Thomas, 1759-1839 | | |
 | Coal, Bituminous, 5189 | Small block of metallic black coal with faint laminations and a minor amount of powdery yellow sulfur. | Cooper, Thomas, 1759-1839 | | East Indies |
 | Vesuvianite, 6891 | Clusters of tiny black opaque prismatic vesuvianinte crystals in matrix consisting of white zeolite or apophyllite, black biotite mica and tan massive material, possibly garnet. | Cooper, Thomas, 1759-1839 | | Mount Vesuvius, Napoli, Campania, Italy |
 | Galena, 3140 | Heavy sample of silvery gray metallic cubic galena on a base of white massive mineral (probably barite). The galena has much colorless and pale purple transparent cubic fluorite on many of the crystal faces, while the fluorite is in turn included with tiny yellow metallic pyrite crystals and red sphalerite crystals. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Barite, 5494 | Small, heavy, sample of opaque white intersecting blades of barite intergrown with massive metallic brassy yellow chalcopyrite with iridescent tarnish. A small amount of bright green fibrous malachite is also present on the barite. | Cooper, Thomas, 1759-1839 | | Buckingham, Bucks County, Pennsylvania, United States |
 | Calcite, 8606 | Stalactite fragment covered with dendritic tan dull opaque tufa. | Cooper, Thomas, 1759-1839 | | |
 | Autunite, 5427 | Dark gray basaltic rock with scattered bright yellow autunite crystals in small voids. Specimen is slightly radioactive. | Cooper, Thomas, 1759-1839 | | |
 | Natrolite, 5106 | Dark gray basalt with a layer of numerous radiating sprays of white and yellow banded fibrous natrolite. | Cooper, Thomas, 1759-1839 | | Schaffhausen, Bavaria, Germany |
 | Garnet, 7109 | Rock fragment of colorless to white quartzite with tiny white translucent grossular garnets embedded within, and dark gray dendtritic growths on all surfaces. | Cooper, Thomas, 1759-1839 | | Charlotte, Mecklenburg County, North Carolina, United States |
 | Garnet, 2462 | Granitic rock fragment with one surface covered with a layer of small intergrown black dodecahedral melanite crystals. Melanite is a black variety of andradite garnet. | Cooper, Thomas, 1759-1839 | | Franklin, Franklin Mining District, Sussex County, New Jersey, United States |
 | Barite, 5522 | Heavy sample of pearly white (though dirty) opaque columnar massive barite with gray metallic massive galena present. Some areas of the barite are stained pink. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Talc, 11254 | Irregular sample of gray green to greenish brown talc with soapy feel and waxy luster. | Cooper, Thomas, 1759-1839 | | |
 | Malachite, 8951 | Heavy specimen of brassy yellow metallic chalcopyrite and colorless quartz with a thin crust of radiating fibers of bright green malachite. | Cooper, Thomas, 1759-1839 | | |
 | Titanite, 2476 | Tiny gray green wedge shaped crystals of titanite embeddedin white to colorless massive quartz with coppery brown hexagona phlogopite and gray metallic massive graphite. | Cooper, Thomas, 1759-1839 | | Connecticut, United States |
 | Barite, 5488 | Heavy cluster of thin opaque white plates of barite interesecting one another on a base of gray metallic cubic galena. Many blades have terminations covered with small black spherules of manganese oxide. | Cooper, Thomas, 1759-1839 | | Perkiomen, Montgomery County, Pennsylvania, United States |
 | Prehnite, 6907 | Specimen of yellow green botryoidal translucent prehnite on a vug in a gray volcanic rock (diabase?" | Cooper, Thomas, 1759-1839 | | Scotch Plains, Union County, New Jersey |
 | Coal, Anthracite, 5190 | Large mass of silvery metallic anthracite coal with foliation and dark green fibrous mineral veins (possibly serpentine). | Cooper, Thomas, 1759-1839 | | Rhode Island, United States |
 | Tremolite, 6680 | Sample of massively intergrown pearly white translucent, fibrous tremolite intergrown with a brown vitreous massive feldspar. | Cooper, Thomas, 1759-1839 | | Massachusetts |
 | Pyrite, 1932 | Heavy sample of massively intergrown, pale yellow, metallic, crystals of cubic pyrite giving one side of the sample a scaly appearance. The opposite surface is covered with small cubic crystals of colorless, transparent fluorite. | Cooper, Thomas, 1759-1839 | | England (probably) |
 | Bismuth, 3134 | Specimen of bright silver massive bismuth with clear quartz intergrowths. | Cooper, Thomas, 1759-1839 | | Schneeburg, Saxony, Germany |
 | Calcite, 8696 | Cluster of colorless scalenohedral calcite crystals with dark gray dull galena, on a base of white massive calcite. The galena crystals are in the form of pseudohexagonal tabular contact twins. | Cooper, Thomas, 1759-1839 | | Germany |
 | Gypsum, 5654 | Irregular mass of reddish brown bladed gypsum crystals arranged in a radiating cluster, with light gray fine grained matrix (shale) embedded between the crystals. | Cooper, Thomas, 1759-1839 | | |
 | Magnetite, 7574 | Small sample of dull black massive magnetite with thin veins of brown translucent quartz. Specimen is NOT magnetic. | Cooper, Thomas, 1759-1839 | | Somerset, Windham County, Vermont, United States |
 | Coal, Anthracite, 5182 | Large, heavy sample of glossy black, finely layered pure coal with a metallic luster on freshly broken surfaces. | Cooper, Thomas, 1759-1839 | | Rhode Island, United States |
 | Galena, 3139 | Heavy specimen consisting of a layer of clustered, dull gray, metallic, modified cubo-octahedral crystals of galena, atop a layer of white earthy barite (referred to as 'cawk' in the historic Catalog). Several crystals of white to colorless tabular barite are also present clustered with the galena, and having tiny crystals of yellow metallic pyrite included. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Dolomite, 8778 | Pearly white granular specimen of dolomite cut into a rough block. | Cooper, Thomas, 1759-1839 | | Italy |
 | Axinite, 6193 | Specimen consists of gray brown (clove brown) vitreous striated crystals that come to bladelike terminations. These crystals are in a dark earthy matrix with granular colorless quartz associated. | Cooper, Thomas, 1759-1839 | | Isère, Rhône-Alpes, France |
 | Meteorite, X937 | Blocky, angular fragment. Dark gray to black in color except a small broken portion which is light gray. The side which is slightly covered by what appears to be a red fixative wax exhibits a thin crust (~5mm in thickness). | Cooper, Thomas, 1759-1839 | | Roquefort, Aquitaine, France |
 | Orthoclase, 5076 | Blocky sample of brown orthoclase feldspar altering to clay material. Broken along cleavage planes. | Cooper, Thomas, 1759-1839 | | |
 | Prehnite, 6917 | Specimen of brown vesicular lava with light green to cream colored botryoidal prehnite and white translucent zeolite. | Cooper, Thomas, 1759-1839 | | Scotch Plains, Union County, New Jersey |
 | Gypsum, 5643 | A small cut block of opaque banded (light gray and darker gray) granular gypsum. | Cooper, Thomas, 1759-1839 | | Germany |
 | Quartz, 4672 | Sample of massive very pale yellow, translucent microcrystalline quartz, var. chalcedony with natural botryoidal habit on an unbroken surface. No banded onyx is apparent, although it is noted on Cooper's label. | Cooper, Thomas, 1759-1839 | | Ireland |
 | Calcite, 8639 | Large broken section of a thick calcareous stalactite. Form has a solid core of white and pale orange banded calcite. Outer margin is up to 2 cm thick layer of banded orange and colorless calcite with the outer surface completely covered with composite scalenohedral crystals (large crystal covered with smaller crystals of same form). | Cooper, Thomas, 1759-1839 | | |
 | Gypsum, 5628 | Rock fragment of reddish shale with thin seams of pale gray to white fibrous gypsum. | Cooper, Thomas, 1759-1839 | | Nova Scotia, Canada |
 | Coal, Bituminous, 5192 | Rock fragment with a layer of pale greenish barite with black bituminous coal, a layer of colorless massive quartz, and a thick layer of crystalline and radiating bursts of white translucent acicular aragonite. | Cooper, Thomas, 1759-1839 | | |
 | Magnetite, 7573 | Small blocky sample of dull black finely granular magnetite with strong magnetism. | Cooper, Thomas, 1759-1839 | | Vermont, United States |
 | Andalusite, 7155 | Small sample of dark gray slate with several brown square columnar crystals of andalusite within. | Cooper, Thomas, 1759-1839 | | Germany |
 | Gypsum, 5634 | Isolated crystal of colorless translucent tabular gypsum with beveled edges. | Cooper, Thomas, 1759-1839 | | Maryland |
 | Calcite, 8617 | Flattened grouping of brownish gray opaque rhombohedral calcite crystals with heavy striations on crystal faces. | Cooper, Thomas, 1759-1839 | | |
 | Pyrolusite, 7892 | Rounded aggregate of dark gray dull and earthy pyrolusite with colorless granular quartz. | Cooper, Thomas, 1759-1839 | | Devon, England, United Kingdom |
 | Coal, Anthracite, 5308 | Black shiny sample of pure anthracite coal with visible layering and blocky fracture." | Cooper, Thomas, 1759-1839 | | Beaver Meadows, Carbon County, Pennsylvania, United States |
 | Calcite, 8471 | Sample of pearly white massive Calcite exhibiting rhombohedral cleavage with colorless massive quartz and several thin veins of unknown black mineral. | Cooper, Thomas, 1759-1839 | | Kings Creek District, Cherokee County, South Carolina, United States |
 | Sulfur, 4217 | Broken terminal fragment of yellow, dull, sulfur in stalactitic form (with many pore spaces). The tip is chipped. | Cooper, Thomas, 1759-1839 | | Mt. Etna, Sicily, Italy |
 | Apatite, 9188 | Rock specimen with small hexagonal olive green apatite crystals, some with formed pyramidal terminations while others have flat terminations (probably pseudomorphs after pyromorphite) in a matrix of clear quartz and pink vesicular? volcanic rock. | Cooper, Thomas, 1759-1839 | | Spain |
 | Gypsum, 5644 | Thin cut slab of white to light gray finely granular massive gypsum. | Cooper, Thomas, 1759-1839; Cooper, Thomas, 1759-1839; Brumby, Richard Trapier (1804-1875) | | Thuringia, Germany |
 | Goethite, 8082 | Sample of amorphous dark reddish brown earthy material (possibly limonite) with a marked vein (0.5 cm thick) and crust of black fibrous and botryoidal goethite. | Cooper, Thomas, 1759-1839 | | Pennsylvania, United States |
 | Coal, Lignite, 5211 | Large cut and polished, though broken, sample of black solid coal, var. jet exhibiting conchoidal fracture. Also present are 5 faceted beads of the same material and a short length (7 cm) of brown twisted string. | Cooper, Thomas, 1759-1839 | | Whitby, North Yorkshire, England, United Kingdom |
 | Basalt, 11134 | Heavy slab of columnar basaltic lava. Hexagonal jointing is due to contraction as magma cools. | Cooper, Thomas, 1759-1839 | 1795 | Giant's Causeway, County Antrim, Ireland, United Kingdom |
 | Calcite, 8437 | Specimen is a cluster of white translucent rhombohedral calcite crystals with massive dark gray galena and pale gold, metallic chalcopyrite. Crystalline clear calcite is also present. | Cooper, Thomas, 1759-1839 | | Rossie, Saint Lawrence County, New York, United States |
 | Gypsum, 5622 | Two small samples of gypsum. One is a small cut block of white granular-massive opaque gypsum, marked by numerous small dimples on 3 sides. The other is an irregular sample of gray fibrous gypsum, with sinuous fibrous habit. | Cooper, Thomas, 1759-1839 | | Nova Scotia, Canada |
 | Anorthite, 11981 | Sample of dark green, opaque, massive and compact plagioclase feldspar, probably var. anorthite, intergrown with dark red plagioclase feldspar. | Cooper, Thomas, 1759-1839 | | |
 | Plagioclase, 5218 | Sample of dark red, opaque, massive and compact plagioclase feldspar with small phenocrysts of white massive quartz (porphyritic). | Cooper, Thomas, 1759-1839 | | Boston, Suffolk County, Massachusetts, United States |
 | Barite, 5300 | Cluster of white opaque bladed barite crystals on a layer of massive barite matrix. Associated is also a layer of botryoidal, dark gray, metallic goethite and minor amounts of green botryoidal malachite on the opposite surface. | Cooper, Thomas, 1759-1839 | | Perkiomen, Montgomery County, Pennsylvania, United States |
 | Hematite, 7644 | Specimen of fine grained iron cemented sandstone with much silver metallic specular hematite. | Cooper, Thomas, 1759-1839 | | Germany |
 | Tourmaline, 6209 | Cluster of several short stout, black opaque, nonstriated crystals of tourmaline, var. Schorl embedded in colorless granular, iron stained quartz. Several schorl crystals are terminated. Two additional isolated fragments of schorl crystals are also present. | Cooper, Thomas, 1759-1839 | | Spartanburg District, Spartanburg County, South Carolina, United States |
 | Niter, 9032 | Large rectangular block of tan to peach colored fine grained laminated clay, rich in potassium nitrate (niter or saltpeter). | Cooper, Thomas, 1759-1839 | | Mammoth Cave, Edmonson County, Kentucky, United States |
 | Quartz, 4671 | Sample of layered nearly white to pale yellow, translucent microcrystalline quartz, var. chalcedony on an irregular core of black onyx. Chalcedony layer is pseudo-botryoidal in habit. | Cooper, Thomas, 1759-1839 | | Wilmington,New Castle County, Delaware, United States |
 | Calcite, 8599 | Cluster of large and small tan translucent scalenohedral crystals of dog tooth spar calcite on a base of black granular noncarbonate material. | Cooper, Thomas, 1759-1839 | | |
 | Hematite, 7595 | Heavy specimen of iron rich translucent quartz with veins of silver metallic specular hematite. | Cooper, Thomas, 1759-1839 | | Elba Island, Livorno, Tuscany, Italy |
 | Coal, Anthracite, 5215 | Irregular sample of silvery gray, metallic granular anthracite coal, with a jagged vein of white translucent material (?asbestos). One surface is heavily striated where this sample was adjacent to a fibrous or striated material. | Cooper, Thomas, 1759-1839 | | Rhode Island, United States |
 | Sulfur, 0144 | Sample consists of a yellow resinous crust of sulfur on white earthy matrix. | Cooper, Thomas, 1759-1839 | | Siciliy, Italy |
 | Gypsum, 5673 | Large single colorless to yellow translucent blade of selenite (gypsum) with numerous internal fractures. | Cooper, Thomas, 1759-1839; Cooper, Thomas, 1759-1839; Brumby, Richard Trapier (1804-1875) | | Solfatara, Napoli, Campania, Italy |
 | Plagioclase, 11301 | A crystal cluster of small stout tabular grey plagioclase with fine twinning striations that give the crystals a chatoyant sheen. | Cooper, Thomas, 1759-1839 | | Greenfield, Saratoga County, New York, United States |
 | Quartz, 4512 | Broken stream cobble of white crystalline quartz formed around a nugget of ?copper. | Cooper, Thomas, 1759-1839 | | |
 | Gypsum, 5641 | Large sample of very pale pink to pearly white massive and finely granular gypsum with a small amount of gray shale adhered to it. | Cooper, Thomas, 1759-1839 | | Passamaquoddy Bay, Maine, United States |
 | Marble, 12467 | Thick square slab of pale yellow brown marble, with veins of reddish brown. One surface is polished. | Cooper, Thomas, 1759-1839 | | Tuscany, Italy |
 | Graphite, 4245A | Small, rounded nugget of silver graphite with metallic luster. | Cooper, Thomas, 1759-1839 | | |
 | Limonite, 8145 | Specimen of botryoidal to stalactitic limonite with reddish brown tarnish. Broken areas reveal orange yellow earthy material lining hollow forms. | Cooper, Thomas, 1759-1839 | | Pennsylvania, United States |
 | Sulfur, 0149 | Large sample of yellow, resinous, massive sulfur with irregular veins of white massive celestine, some of which is earthy. | Cooper, Thomas, 1759-1839 | | Siciliy, Italy |
 | Erythrite, 5330 | Specimen of dark gray material and brown powdery limonite with radiating clusters of bright pink to purple acicular crystals of erythrite, as well as tiny pale pink encrusting crystals of erythrite. | Cooper, Thomas, 1759-1839 | | Tunaberg, Nyk'ping, S'dermanland, Sweden |
 | Fluorite, 8378 | Heavy specimen of silver metallic cubic galena with clusters of colorless translucent cubic fluorite crystals. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Cinnabar, 10060 | Six rock fragments of granular matrix with tiny crystals or grains of bright red cinnabar. One small broken crystal of sphalerite. | Cooper, Thomas, 1759-1839 | | California, United States |
 | Chert, 4663 | Blocky sample of opaque, dark red and dark green thickly banded microcrystalline quartz chert, var. jasper (also called riband jasper). | Cooper, Thomas, 1759-1839 | | Germany |
 | Tourmaline, 6210 | Small sample of colorless massive translucent quartz with numerous inclusions of slender and acicular crystals of black opaque, striated tourmaline, var. Schorl. | Cooper, Thomas, 1759-1839 | | Greenville District, Greenville County, South Carolina, United States |
 | Heulandite, 1209 | Small sample of dark orange red, pearly and platy heulandite crystals with a small amount of dark gray matrix. | Cooper, Thomas, 1759-1839 | | Sweden |
 | Bitumen, 5197 | Solidified irregularly shaped mass of bitumen (asphalt). | Cooper, Thomas, 1759-1839 | | Saint Thomas, U. S. Virgin Islands, United States |
 | Serpentine, 1048 | Roughly rectangular specimen of dark green massive antigorite (serpentine) with a crust of dark brown matrix around it. The specimen has been cut and polished on one side. | Cooper, Thomas, 1759-1839 | | |
 | Limonite, 8117 | Very light sample of dull and earthy, light and dark brown, massive limonite. | Cooper, Thomas, 1759-1839 | | Charlottesville, Virginia, United States |
 | Apatite, 9189 | Rock specimen with small hexagonal greenish brown to dark yellow apatite crystals, some with rounded terminations in a matrix of dark brown to black unknown material. Pyrite is also present in this specimen. | Cooper, Thomas, 1759-1839 | | Jumilla, Murcia, Spain |
 | Beryl, 6103 | Crystal fragment of blue gray opaque beryl. | Cooper, Thomas, 1759-1839 | | Newlin, Chester County, Pennsylvania, United States |
 | Limestone, 12489 | Thick block of dark gray limestone packed with broken sections of crinoids with light gray preservation. Polished on one side. | Cooper, Thomas, 1759-1839 | | |
 | Bitumen, 5210 | Small rectangular block of brownish black, bitumen with plant remains apparent. The historic term Caoutchouc refers to natural rubber. | Cooper, Thomas, 1759-1839 | | Castleton, Derbyshire, England, United Kingdom |
 | Molybdenite, 1297 | Sample of white fine-grained massive albite (plagioclase feldspar) with several small, hexagonal bright gray, metallic, foliated crystals of molybdenite. Tiny reddish dodecahedral garnets are also present. | Cooper, Thomas, 1759-1839 | | Maine, United States |
 | Limonite, 8091 | Small irregular nodule of dark brown submetallic columnar or stalactitic limonite. | Cooper, Thomas, 1759-1839 | | Europe |
 | Hornblende, 6224 | Small black opaque crystals of tabular hornblende in a chlorite schist with a thick vein of colorless granular quartz through it. | Cooper, Thomas, 1759-1839 | | Massachusetts, United States |
 | Sphalerite, 10045 | Numerous crystals of very dark red (nearly black), adamantine, roughly tetrahedral sphalerite on colorless to white quartz drusy, all on a thick layer of gray, metallic, cubo-octahedral galena. The quartz appears to have formed around cubic fluorite forming large squared voids or casts in which the sphalerite crystals formed. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Tourmaline, 6220 | Rock specimen with several black striated schorl (tourmaline) crystals with triangular cross-section embedded in colorless massive quartz, with greenish phyllite. | Cooper, Thomas, 1759-1839 | | |
 | Albite, 1400 | Sample of opaque white, massive albite (plagioclase feldspar), with colorless massive quartz and pearly white mica. | Cooper, Thomas, 1759-1839 | | Chesterfield, Hampshire County, Massachusetts, United States |
 | Limonite, 8104 | Heavy blocky sample of dark gray, earthy, massive limonite. | Cooper, Thomas, 1759-1839 | | Lord Dudley's Mine, Dudley, West Midlands, England, United Kingdom |
 | Galena, 1377 | Heavy sample of tarnished dull, silver, metallic, massive galena with clusters of white and iron stained, radiated, quartz intergrown. | Cooper, Thomas, 1759-1839 | | Massachusetts, United States |
 | Sulfur, 4220 | Sample of bright yellow, resinous and stalactitic sulfur encrusting tan to brown granular and earthy matrix (possibly celestine). | Cooper, Thomas, 1759-1839 | | Mount Vesuvius, Napoli, Campania, Italy |
 | Marble, 12482 | Nearly square slab of mottled dark red and gray, fine grained, marble that is polished on 1 side. Gray areas are rounded with dark purplish red surrounding. | Cooper, Thomas, 1759-1839 | | |
 | Sulfur, 4203 | Sample of earthy white, and vitreous white radiating fibrous celestine, with thin veins and crusts of yellow resinous sulphur crystals. | Cooper, Thomas, 1759-1839 | | |
 | Gypsum, 5660 | Cluster of a few large lenticular brown to gray gypsum crystals with light gray fine grained matrix (shale?) between the crystals. | Cooper, Thomas, 1759-1839 | | |
 | Fluorite, 8349 | Small cluster of dark purple cubic fluorite with a brown crust on the top surface and yellow coating on the bottom. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Galena, 1402 | Sample of tarnished silver, metallic, massive galena with brassy yellow, metallic, massive chalcopyrite intergrown. Sample also has a thin crust of tiny tetrahedral chalcopyrite covering several surfaces, including stalactitic formations near the applied label. | Cooper, Thomas, 1759-1839 | | Derbyshire, England , United Kingdom |
 | Rutile, 7819 | Large rectangular cross section of a broken dark reddish gray, adamantine rutile crystal in white crystalline marble with small veins of mica. | Cooper, Thomas, 1759-1839 | | London Grove, Chester County, Pennsylvania, United States |
 | Coal, Bituminous, 11912 | Cut cubic block of brownish black, dull elaterite (an elastic mineral pitch) with plant remains apparent, and a distinct petroliferous odor. Small yellow earthy spots of sulfur are also present. | Cooper, Thomas, 1759-1839 | | |
 | Calcite, 12521 | Small cut and polished section of a carbonate stalactite with layers of white, banded, crystalline calcite that has been cut and polished. The opposite surface exhibits a tan earthy carbonate formation around a central core. | Cooper, Thomas, 1759-1839 | | Derbyshire, England, United Kingdom |
 | Alum, 5684 | Two samples of white to pale yellow, translucent, massive alum exhibiting conchoidal fracture. | Cooper, Thomas, 1759-1839 | 1812 | Vulcano Island, Sicily, Italy |
 | Quartz, 4673 | Specimen of light gray hazy chalcedony (cryptocrystalline quartz) formed in layers around black vesicular pumice. | Cooper, Thomas, 1759-1839 | | Bucks County, Pennsylvania, United States |
 | Pyrolusite, 1285 | Specimen of white massive calcite with many radiating clusters of metallic, gray acicular, striated pyrolusite crystals. | Cooper, Thomas, 1759-1839 | | Germany |
 | Franklinite, 7730 | Rock specimen consisting of black metallic granular and octahedral franklinite, embedded in gray calcite. | Cooper, Thomas, 1759-1839 | | Franklin, Franklin Mining District, Sussex County, New Jersey, United States |
 | Barite, 5486 | Small sample of colorless to gray, massive barite in a nodule with many cavities that are lined with colorless quartz drusy. A fair amount of brown staining is present. | Cooper, Thomas, 1759-1839 | | Athens, Clarke County, Georgia, United States |
 | Graphite, 4258 | Irregular sample of massive silvery gray submetallic graphite that is thinly foliated. | Cooper, Thomas, 1759-1839 | | Mansons Mine, Bucks County, Pennsylvania, United States |
 | Tourmaline, 6275 | Sample of numerous stout black opaque terminated crystals of tourmaline, var. schorl with small amounts of iron rich massive quartz matrix. | Cooper, Thomas, 1759-1839 | | Greenville County, South Carolina, United States |
 | Bitumen, 11913 | Irregular sample of dull black, mineral pitch, with unrecongizable plant inclusions and conchoidal fracture. | Cooper, Thomas, 1759-1839 | | Mediterranean |
 | Skutterudite, 2024 | Sample of massive, dark gray, metallic, skutterudite, var. smaltite with much black biotite mica and red partial crystals of garnet. Metallic luster of the smaltite is difficult to observe due to the reflective nature of the biotite. | Cooper, Thomas, 1759-1839 | | East Hampton (Chatham), Middlesex County, Connecticut, United States |
 | Limonite, 8073 | Irregular sample of dark brown submetallic limonite in amorphous form with much orange earthy material. | Cooper, Thomas, 1759-1839 | | Weymouth Furnace, Egg Harbor, Atlantic County, New Jersey, United States |
 | Pyrite, 1931 | Sample of brown fibrous barite with pale yellow, metallic, massive and cubic pyrite crystals throughout. | Cooper, Thomas, 1759-1839 | | Saxony, Germany |
 | Enstatite, 6370 | Two small samples of pearly dark gray green enstatite. | Cooper, Thomas, 1759-1839 | | |
 | Pyromorphite, 9201 | Rock fragment with yellow-green translucent mamillary aggregates of pyromorphite and blue-green earthy encrusting malachite on opposite face. Matrix appears to be dark gray adamantine material, probably cuprite. | Cooper, Thomas, 1759-1839 | | Pennsylvania |
 | Silver Ore, 4139 | Specimen of massive hematite (red streak) altering to ?limonite. Specimen has already broken into 6 main fragments and many smaller pieces. Measurements at right are of largest fragment. A bright green crystal is also present. | Cooper, Thomas, 1759-1839; Cooper, Thomas, 1759-1839; Vanuxem, Lardner, 1792-1848 | | Pasco province, Pasco Department, Peru |
 | Tourmaline, 6213 | Sample of gray to white crystalline and granular limestone with brown striated crystals of tourmaline, var. dravite, and small flakes of coppery brown phlogopite mica. | Cooper, Thomas, 1759-1839 | | Baltimore, Maryland, United States |
