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Chrysocolla from the Congo is the best material available these days, and polished pieces like this ..
Here's a gorgeous and brightly colored free form specimen of polished chrysocolla. It has a smooth, ..
Here is a very 3-dimensional specimen: a sharp, gray calcite crystal from the Brushy Creek Mine in M..
Here is a fine example of the new green fluorite out of Madagascar, the first significant fluorite t..
Here is a colorful specimen of phantom fluorite from Kentucky, and it is amazing! The outside has a ..
Brightly lustrous specimens of hematite that form as large bubbles, like those on this specimen, are..
This specimen features a sea of bright turquoise polished botryoidal bubbles of chrysocolla, with a ..
Here is a lovely, lustrous, transparent .7" green elbaite tourmaline crystal with a complex trigonal..
This is a beautiful tri-color green tourmaline crystal that is dark green for half of its length, th..
For some reason, you almost never see elestial jacare crystals that are amethyst (they are usually s..
This is an excellent specimen of polished Tanzanian ruby in zoisite. It features gorgeous crimson re..
This is an old-time copper-silver specimen from the Upper Michigan peninsula, a combination that has..
Here is an excellent specimen of pristine, very sharp gmelenite crystals which are colored a strikin..
Here is a colorful specimen of rainbow chalcopyrite from Missouri's Brushy Creek Mine. The ran..
Here is a large, lustrous single microcline crystal that is unusually sharp. The color is a highly l..
This is a very rare matrix specimen of cubanite, with crystals to 1.2". Besides the 2 large crystals..
This is a fine piece of fine grained bowenite gem rough. The bowenite is colored a lovely light appl..
Here is a specimen of anhedral cryolite from the historic Ivigtut cryolite deposit in Greenland. Cry..
Here's a great specimen featuring large, well-formed vesuvianite crystals on matrix from the classic..
Here is a polished 194-gram slice of jade, variety nephrite. This specimen of gem rough comes from M..
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