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ID: ptc-4767
Sapphires ranging in weight from 3.50 to 188 carats, Sri Lanka
ID: ptc-4766
The DeLong Star Ruby, 100.3 carats, Burma (Myanmar)
ID: ptc-4775
Square-cut 278.25-ct. morganite, Minas Gerais in Brazil; matrix specimen consisting of a perfect morganite crystal (6.5 cm across) with a gem-quality bicolor elbaite, San Diego County, California
ID: ptc-4774
Heliodor crystal and cut stone
ID: ptc-4765
Ruby crystal
ID: ptc-4771
Emerald crystal
ID: ptc-4779
Aquamarine brooch, earrings, and ring in platinum with diamonds
ID: ptc-4752
Gemstones of various colors
ID: ptc-4751
Carvings from various stones, China and Japan
ID: ptc-4750
Headdress pendant, Manchu
ID: ptc-4749
A historical grouping of Kunz and Whitlock books, crystals and related objects from Museum's collection, circa 1990
ID: ptc-4758
Diamond crystals, single and twinned, maximum dimension 1 cm
ID: ptc-4748
Heliodor, aqua marine, blue topaz, and kunzite, cut and uncut
ID: ptc-4781
Etched aquamarine crystal, 8 cm tall, associated with white elbaite, Dusso, Pakistan
ID: ptc-4773
Fragment of the largest aquamarine crystal ever found, 5.28 kg (11.6 lb), discovered near Marambaia, Brazil, 1910; 47.39 ct stone from Siberia is shown for scale, 1990
ID: ptc-4769
Aquamarine, morganite and heliodor from various locations, ranging in weight from the 11.38-ct. emerald-cut golden heliodor to the 390.25-ct. aquamarine, 1990
ID: ptc-4746
Bicolored tourmalines: "pencil" crystals, cut stone, and cabochon, from Mesa Grande, California, 1990
ID: ptc-4757
Armstrong Diamond, emerald-cut stone set in ring with two tapered baguettes, 14.11 carats, 1990
ID: ptc-4762
Padparascha sapphire, 100 carats, Sri Lanka
ID: ptc-4761
12 small sapphires of various colors, Sri Lanka
ID: ptc-4760
Midnight Star sapphire, 116.75 carats, Sri Lanka
ID: ptc-4759
Star of India, sapphire, 563.35 carats, mined in Sri Lanka
ID: ptc-4764
Large Burma ruby cabochon, 47 cts; round ruby, 1.38 ct., North Carolina; ruby; 1.87 ct., Tanzania
ID: ptc-4753
Gemstone crystals: tourmaline, aquamarine, morganite, heliodor, topaz, kunzite, spodumene and citrine
ID: ptc-4768
The Patricia Emerald, 12-sided crystal, 6.6 cm long, 126 grams, from Columbia
ID: ptc-4868
Amethyst "pinwheel"
ID: ptc-4866
Amethyst scepter crystal
ID: ptc-4869
Rock crystal carving of horse's head, Russia, 19th century
ID: ptc-4861
Figure of Quan-yin carved from Burmese jadeite in China, 19th century
ID: ptc-4860
Jadeite cabochons from Myanmar [Burma] (nine smaller stones) and Guatemala (two larger stones), weights ranging from 6.38 to 28.34 carats, displayed on 20-kg jadeite boulder, Myanmar
ID: ptc-4863
Serpentine vase
ID: ptc-4804
Turquoise cabachons: top: 93.98 carats from Iran; bottom: 90.20 carats with spiderweb matrix from New Mexico
ID: ptc-5232
Girl with largest nephrite boulder ever recorded, Harry Frank Guggenheim Hall of Minerals, 1990
ID: ptc-4867
Amethyst brooch set with diamonds and a 45.71-ct. ametrine (trystine), Puerto Suarez, Bolivia, discovered 1977
ID: ptc-4865
Rock crystal, 13.5 centimeters high, McEarl Mine, Hot Springs, Arkansas
ID: ptc-4852
Opal (variety precious), pendant of Russian design containing 41 opals surrounded by topaz, chrysoberyls, demantoid garnets, sapphires and pearls
ID: ptc-4853
Harlequin Prince opal, 215.85 ct, Australia
ID: ptc-4900
Kunzite crystal and cut stones, Hall of Gems and Minerals, American Museum of Natural History, 1990
ID: ptc-4855
An opalized clam weighing 69.00 carats from Coober Pedy, Australia.
ID: ptc-4782
58.79 carat heart-shaped Morganite (beryl) from the Malagasy Republic, 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-4905
Rhodochrosite gem and group of crystals, American Museum of Natural History, 1990
ID: ptc-4906
Calcite crystal and gem, American Museum of Natural History, 1990
ID: ptc-4851
Opals from Mexico ranging in weight from 4.72 to 31.70 carats, American Museum of Natural History, 1990
