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Here is a superior specimen of creedite, featuring vivid red-orange crystals in spiky radiating 3-di..
Here is a shimmering specimen of uvarovite garnet that is richly covered with twinkling crystals to ..
This polished rhombohedral crystal cleavage of Iceland spar is an unusually colorful golden yellow a..
This is an exceptional example of a very rare form of quartz: a growth interference crystal. The fas..
Here is a superb specimen that features translucent, botryoidal, spherical aggregates, with good lus..
Here is a large, gemmy, yellow, cleaved rhombohedron of Iceland spar (calcite) from Mexico. It is tr..
Lapis lazuli (the name for gem lazurite) from Sar-e-Song has set the standard for this attractive se..
Here is a fine fluorite octahedron from China. The fluorite has been cleaved along its natural cleav..
This is a very striking crystal of blue halite, which is salt! This colorful piece has vivid royal b..
Here is a superb specimen: a large, sharply crystallized native sulfur crystal. The sulfur crystal i..
This long crystal of elestial quartz is shaped like a wand, with 6 terminated crystals sticking out ..
This is an intriguing pyrite specimen. It is a complex cluster of 3 complete, interlocking, twinned ..
Here is a sulfur specimen with a unique natural trait: The crystal is adorned with traces of bitumen..
This gleaming green specimen of vesuvianite is made up of sharp, gemmy, terminated crystals. The col..
The phantoms in this gemmy fluorite specimen from Illinois are outstanding. Set inside blue-violet f..
This is an intriguing pyrite specimen. It is a complex, tight cluster of 16 interlocking twinned pyr..
This fine uvarovite specimen features a mesmerizing formation of tiny bright green crystals which sp..
Here is a cubic crystal of pyrite that is amazing: it is 3" from tip-to-tip and 1.8" along the longe..
The color of this choice specimen of polished labradorite is a rich golden yellow, a departure from ..
This Herkimer diamond has gemmy clarity and is sharply double terminated. It is infused with a pale ..
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