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FREE: Superior - Chalcanthite- Planet Mine

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Description

The listing, Superior - Chalcanthite- Planet Mine has ended.

This piece is from the Planet mine in the Santa Rita District of Gila County, Arizona, USA. This is a natural chalcanthite that was found 350 feet down in the mine. It has fibrous, translucent crystals with an electric blue color and a chatoyant quality. It measures 1 x 11/16 x 3/8 inches or 25 x 18 x 10 mm.

*Random Cat Photo - Gadget by Elias Saba.

Questions & Comments

I'd never seen or heard of this one before, so I looked it up. Due to its rich color and beautiful crystals, is a sought after collector's mineral. However, as with its viability as an ore, the solubility of the mineral causes significant problems. First, the mineral readily absorbs and releases its water content, which, over time, leads to a disintegration of the crystal structure, destroying even the finest specimens. It is critical to store specimens properly to limit exposure to humidity. It's stunning. The lucky winner will need to protect it from moisture/humidity. :)

Apr 15th, 2014 at 7:39:16 PM PDT by