Ettringite on Calcite

Nchwaning II Mine, Kalahari Manganese Field, South Africa
Small Cabinet, 9.1 x 8.0 x 5.7 cm
Start Time: 10/11/2011 7:00:00 pm (CDT)
End Time: 11/08/2011 6:00:00 pm (CST)
Auction Closed

Item Description

This is an unusual large combination piece which features translucent, gemmy yellow ettringites with a sulfur-like color but more luster, decorating a large calcite rhombohedron. The ettringites run to 2 cm in size. From 1980s finds here, this is classic material, now quite harder to come by, from the old Charlie Key dealer stocks which I bought out. Some ettringite is dull and matte finish, but these crystals are the jewel-like, bright style, and overall the piece is very, very pretty on a shelf as well as being a great example of the species. Valued $2500

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