Advanced Search (Items only)
ID: ptc-992
Devonian Landscape, painting by Charles R. Knight
ID: ptc-960
Tourmaline crystal showing striations, Brazil
ID: ptc-959
Tourmaline, green crystals on quartz, Brazil
ID: ptc-958
Tourmaline, pink crystals, Pala, California
ID: ptc-957
Tourmaline crystal, cross section, Madagascar
ID: ptc-956
Tourmaline (pink) and quartz (colorless), Pala, California
ID: ptc-955
ID: ptc-871
Minerals for Atomic Energy exhibit, Gem Hall, 1947
ID: ptc-7316
Diamond, octahedral crystal in kimberlite matrix, 25 carats
ID: ptc-7219
Tourmaline
ID: ptc-7218
Tourmaline, shown on loan to the American Museum of Natural History
ID: ptc-7217
ID: ptc-7216
ID: ptc-7215
ID: ptc-7211
ID: ptc-7208
Field notebook, April 24, Chimney Butte Camp Section, Central Asiatic Expedition
ID: ptc-7206
Field notebook, Sketch map of Shara Murun Region, Central Asiatic Expedition
ID: ptc-7006
Star of India
ID: ptc-7005
ID: ptc-6553
Kimberley Diamond Mine, 1877, in The Diamond Mines of South Africa, 1906, page 85, by Gardner Fred Williams
ID: ptc-5993
Illustration of famous diamonds, from Tavernier, 1681
ID: ptc-5757
Feathers in amber, 25 to 30 million years old
ID: ptc-5409
Visitors, Howe Quarry excavation site, Jurassic Morrison formation, Wyoming, 1934
ID: ptc-5389
Deepest portion of the Baron Sog strata on the red beds of Urtyn Obo, Mongolia, Central Asiatic Expedition
ID: ptc-5386
Rich fossil beds where 10-million year old dinosaur eggs and bones were found, Mongolia, Central Asiatic Expedition
ID: ptc-5350
Star of India, American Museum of Natural History, 1995
ID: ptc-5330
The Karroo Series, Hall of Early Dinosaurs, circa 1993
ID: ptc-5324
The Pelycosaur Reptiles: Permian Period, Hall of Early Dinosaurs, circa 1993
ID: ptc-5232
Girl with largest nephrite boulder ever recorded, Harry Frank Guggenheim Hall of Minerals, 1990
ID: ptc-4906
Calcite crystal and gem, American Museum of Natural History, 1990
ID: ptc-4905
Rhodochrosite gem and group of crystals, American Museum of Natural History, 1990
ID: ptc-4904
Amblygonite cut stone and irregular crystal, American Museum of Natural History, 1990
ID: ptc-4903
Titanite stone and twinned crystal, American Museum of Natural History, 1990
ID: ptc-4900
Kunzite crystal and cut stones, Hall of Gems and Minerals, American Museum of Natural History, 1990
ID: ptc-489
Spodumene, variety Hiddenite
ID: ptc-4868
Amethyst "pinwheel"
ID: ptc-4867
Amethyst brooch set with diamonds and a 45.71-ct. ametrine (trystine), Puerto Suarez, Bolivia, discovered 1977
ID: ptc-4866
Amethyst scepter crystal
ID: ptc-4865
Rock crystal, 13.5 centimeters high, McEarl Mine, Hot Springs, Arkansas
ID: ptc-486
Native copper, Michigan
ID: ptc-4853
Harlequin Prince opal, 215.85 ct, Australia
ID: ptc-4851
Opals from Mexico ranging in weight from 4.72 to 31.70 carats, American Museum of Natural History, 1990
ID: ptc-4804
Turquoise cabachons: top: 93.98 carats from Iran; bottom: 90.20 carats with spiderweb matrix from New Mexico
ID: ptc-4782
58.79 carat heart-shaped Morganite (beryl) from the Malagasy Republic, American Museum of Natural History, 1990
ID: ptc-3633
Fine Guanajuato calcites, snow white scalenohedra associated with amethyst, Bement Collection, purchased from A. E. Foote in 1891
ID: ptc-3631
Radiating spray of magenta-hued erythrite in limonite cavity, Schneeberg, Saxony, East Germany, Bement Collection
ID: ptc-3630
Transylvanian gold specimen, Bement Collection, presented to Bement by Baron Braun of Vienna, 1876
ID: ptc-3629
Bull's-eye agate, polished specimen, Brazil, Bement Collection
ID: ptc-3627
Malachite, Copper Queen Mine, Bisbee, Arizona, Bement Collection
ID: ptc-3626
Matlockite, butterscotch colored composite crystal, Bement Collection, obtained from London dealer S. Henson for $12.50, 1882
ID: ptc-3625
Calcite twins, Cumberland, Bement Collection
ID: ptc-3624
Franklinite octahedra embedded in calcite, Franklin, New Jersey, obtained from the William J. Kemble Collection
ID: ptc-3623
Realgar-stained barite, Baia Sprie, Romania, specimen from Baron Braun of Vienna, June, 1871
ID: ptc-3622
Pink fluorite octahedra, Goschenen, Switzerland, Bement Collection
ID: ptc-3621
The American fluorites: well-formed green octahedron, 25 cm on edge, Westmoreland, New Hampshire, Bement Collection
ID: ptc-3619
Three "butterfly" calcite twins, Egremont, Cumberland, England, purchased from George L. English in 1891
ID: ptc-3618
Barite scepter from Frizington, Cumberland, England, Bement Collection
ID: ptc-3617
Titanite twin from Zillerthal, Tyrol, Austria, Bement Collection
ID: ptc-3339
Yellow crystals, mineral exhibit
ID: ptc-3338
Mineral exhibit
ID: ptc-3337
Elbaite crystal, mineral
ID: ptc-3336
Cyanotrichite, mineral
ID: ptc-3335
ID: ptc-3334
Sulfides and Sulphosalts exhibit
ID: ptc-3333
Minerals and Crystals exhibit
ID: ptc-3332
Minerals exhibit, 1978
ID: ptc-3331
Minerals exhibit
ID: ptc-3316
Willamette Meteorite
ID: ptc-3276
Eruption of Mount Pele, Martinique, 1902, painting by Angelo Heilprin
ID: ptc-3093
Topaz, Brazilian Princess, modified square cushion cut, 21,005 carats (9.5 pounds), mined near Teofilo Otoni, Minas Gerais, Brazil
ID: ptc-3092
Topaz, "Brazilian Princess," modified square cushion cut, 21,005 carats (9.5 pounds), mined near Teofilo Otoni, Minas Gerais, Brazil
ID: ptc-3067
Gold, silver, graphite, copper, sulfur
ID: ptc-3062
Quartz displays, Harry Frank Guggenheim Hall of Minerals, 1985
ID: ptc-2792
Smoky quartz, emerald-cut, 1522 carats, Brazil
ID: ptc-2791
Topaz, step-cut, 221 carats, Minas Gerais, Brazil
ID: ptc-2790
Spodumene (kunzite), octagonal step-cut, 69.8 carats, Mawi deposit, Nuristan, Afghanistan
ID: ptc-2788
Diamond, approximately 25 carats, attached to kimberlite
ID: ptc-2786
Beryl (aquamarine), from Pakistan
ID: ptc-2783
Beryl (aquamarine), L 7.5 cm, with white albite, from the area of Dassu, Pakistan
ID: ptc-2782
Fluorapatite, pink, L 3 cm, with muscovite and white albite, near Dassu, Gilgit, Pakistan
ID: ptc-2781
Quartz (Agate), slice, from Brazil
ID: ptc-2780
Beryl (aquamarine), L 2.5 cm, on calcite with muscovite, Halamosh mountains, near Skaldu, Gilgit, Pakistan
ID: ptc-2769
Topaz crystal, H 2.5 cm, in gray quartz and muscovite, Pakistan, near Gilgit
ID: ptc-2768
Liddicoatite (tourmaline), slice, through color-zoned crystal, center or cure, Elbaite tourmaline; brown rim, Liddicoatite tourmaline, Madagascar
ID: ptc-2767
Fluorite, loose green crystal of fluorite 6 cm across showing dominate octahedron, modified by cube, and dodecahedron, Pakistan
ID: ptc-2766
Quartz (Amethyst), group of deep reddish purple amethyst crystals, from Thunder Bay, Ontario, Canada
ID: ptc-2765
Quartz, variety Amethyst, geode slice, 12 cm diameter, Uruguay
ID: ptc-2282
Goddess Kuan-yin, Beryl (variety Morganite), Chinese carving
ID: ptc-2281
Godess Kuan-yin, Beryl (variety Morganite), Chinese carving
ID: ptc-2279
Humite from Franklin, New Jersey
ID: ptc-2278
Hessite, Romania
ID: ptc-2277
Galena, brilliant metallic gray complex crystal, 5 cm across, from Harz, Neudorf, Germany
ID: ptc-2276
Halite (rock salt), transparent cubic crystals on matrix, Krakow Saltworks, Poland
ID: ptc-2275
Paramelaconite, Copper Queen Mine, Bisbee, Arizona
ID: ptc-2274
Scorodite, dark blue crystals, up to 1.5 cm across, on matrix, Zacatecas, Mexico
ID: ptc-2273
Spodumene
ID: ptc-2098
Gold, Empire Star Mines, Grass Valley, California
ID: ptc-2096
ID: ptc-2083
"The Newmont Gold," a mass of crystallized gold (leaf), 1 kilogram, 18.8 x 13.7 cm, discovered in mud-filled pocket, 1951, Gift of Newmont Mining Corporation, Empire Star Mines
ID: ptc-2082
Azurite crystal group, considered the finest example in the world, from Newmont Mining Corp, Tsumeb Mines, Africa, 1952
