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Macro of "Sonoran Sunset" Gem Stone

An unusual rock specimen seen in Quartzite, Arizona at the annual Quartzite Rock and Gem Show, "Sonoran Sunset" is a trade name. These pieces on a shelf in a vendor display show three slabs, each about 6 inches in the longest side. It polishes beautifully to make fine gemstones for jewelry settings. The minerals are cuprite (red), chrysocolla (green) and tenorite (black).

 

See the previous three images for more detail and "before and after" views of how this finishes for jewelry use. The vendor is "All in Vein", at the Tyson Wells show.

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Uploaded on January 18, 2009
Taken on January 16, 2009