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This is a genuine, 100% natural, uncut diamond crystal, shaped as a dodecahedron, and colored an unu..
Here is a lovely opal aura quartz crystal which is sharply-terminated and has a dazzling opalescent ..
This superb gem phenakite crystal from Myanmar has six-sides like a quartz crystal, and a multi-face..
Here is a beautiful, sharply formed crystal of imperial topaz, with great clarity and sharply define..
Here is an impressive cluster of elongated, hexagonal pyromorphite crystals, the tips and outsides o..
The largest crystal on this Rogerley Mine fluorite specimen is .6 inches, tip-to-tip. The piec..
Here is a colorful group of quartz crystals with phenomenal color: it is a deep reddish-orange, whic..
Here is a very fine specimen: a sharp cubic crystal of platinum, which is one of the rarest objects ..
Here is a transparent phenakite crystal with a very sharp six-sided termination on a hexagonal shaft..
This is a sky blue barite specimen from the 2014 find in Morocco. The gem-clear, thin, bladed crysta..
Here is a gemmy crystal of smoky quartz, from a 1959 find at the Lovejoy Gravel Pit (you can read th..
This is a very attractive specimen of barite from the 2012 pocket at the Linwood Mine. The sharply-f..
This thumbnail specimen is a great example of the brilliant red-orange colored crystals that w..
This is an excellent specimen of sharp adamite crsytals on matrix from the classic Mina Ojuela local..
Inside every one of the blue cubic crystals on this fluorite specimen from Namibia is a dark purple ..
Pseudoboleite occurs as an epitaxial overgrowth in a thin veneer on boleite cubes. Here there are se..
Here is an Ethiopian gem fire opal that is filled with luminescent, shimmering flashes of neon red, ..
The crystals on this kyanite specimen are a beautiful pastel royal blue color that contrasts nicely ..
On this fine, extra-large specimen, the crystals are sharp, gemmy, and transparent, and cover akmost..
This is a unique and beautiful specimen of native copper.The piece is a shiny, bright orange-red, th..
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