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Here is a colorful, striated, trigonal elbaite, 1.7" tall from the Pala Chief, a locality from which..
Here is a sharp, prismatic tourmaline crystal from the Himalaya Mine. It weighs 214 carats. This is ..
Troostite is the manganese-rich variety of willemite, and the manganese gives this crystal its disti..
Imperial topaz is a highly collectible gem species, and this one has an especially desirable feature..
This is a superb, gemmy, floater specimen of adularia, which is a variety of orthoclase (K feldspar)..
Here is a very large specimen of well-crystallized metallic black franklinite with sharp edges, smoo..
This specimen consists of a hefty, single crystal of colorless gem topaz crystal from a classic Japa..
Here is a large, white massive howlite nodule from Tick Canyon that has been cut in half and polishe..
This is a lovely specimen of brilliantly lustrous schorl tourmaline from Brazil. The sides of the cr..
Here is a classic imperial topaz crystal from the famed mining area outside of Ouro Preto. It has a ..
Here is a single reddish-brown willemite, variety troostite crystal nicely set in starkly contrastin..
This classic specimen from the French Creek Mines features sharp, iridescent chalcopyrite crystals i..
Here is a classic, beautifully formed, super glassy, lustrous single crystal of imperial topaz, with..
Here is an fine example of a polished slice of liddicoatite tourmaline with the distinctive nested t..
Here is a fine, large cabinet-sized specimen featuring a rich covering of clear aragonite crystals c..
Here is a classic, prismatic, lustrous, metallic single stibnite crystal from the Ichinokawa mine, t..
On this specimen, beautiful lustrous black metallic cassiterite crystals in unusual peaked formation..
Here is a classic group of sharp lustrous tetrahedrite crystals sitting on a matrix of white calcite..
Here is a large gemmy crystal of untreated tanzanite from the famed mines at Meralani. It is brightl..
Here is an extraordinary grouping of 7 exceptionally sharp and near-perfect interlocking cubic cryst..
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