Digital Collections | AMNH - The world's largest topaz crystal, 271 kg (596 lb), Minas Gerais, Brazil, shown with a man for scale

Selected

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American Museum of Natural History
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GOTTESMAN RESEARCH LIBRARY

47.55 carat pink topaz and 47.75 carat Imperial topaz, Minas Gerais, Brazil

ptc-4792

Left: imperial topaz crystal, 5.5 cm (length), Ouro Preto, Minas Gerais, Brazil; Right: 16.95 carat cut stone, Sri Lanka

ptc-4790

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

ptc-4773

Tanzanite crystal

ptc-4899

Group of three intergrown rutilated quartz crystals measuring 6.7 cm (height), Itabira, Minas Gerais, Brazil

ptc-4873

Gemstone crystals: tourmaline, aquamarine, morganite, heliodor, topaz, kunzite, spodumene and citrine

ptc-4753

Amazonite crystal and carved cabachon

ptc-4859

Heliodor crystal and cut stone

ptc-4774

Ruby crystal

ptc-4765

The rock crystal statue of Atlas holding up the world is 12 cm in height. It was carved during the nineteenth century in Russia from a quartz crystal found in the Ural Mountains.

ptc-4864

A chrysoberyl trilling, consisting of three twinned crystals, from Espirito Santo, Brazil; it measures 8 cm. Double exposure: Front and side view.

ptc-4784

Emerald crystal

ptc-4771

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

ptc-4775

Tourmaline crystals from Mount Mica, Maine, largest crystal is 5.3 centimeters long

ptc-4798

Amethysts

ptc-4871

Fossilized ammonite

ptc-4896

Serpentine vase

ptc-4863

Cut topazes from various localities, ranging in weight from 17.16 cts. to 375 cts. Blue, yellow, pink.

ptc-4794

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

ptc-4860

Amethyst scepter crystal

ptc-4866