Biotite Mica and Calcite

Erongo Mountains, Erongo Region, Namibia
Small Cabinet, 6.3 x 5.1 x 1.7 cm
Start Time: 08/09/2010 6:00:00 pm (CDT)
End Time: 08/24/2010 6:00:00 pm (CDT)
Auction Closed

Item Description

Outstanding specimen of razor-sharp hexagonal books of Biotite. Their dark color, superb luster, and absolutely perfect form make them classic. The fact that there are multiple crystals (up to 1.2 cm across), and they are associated with well-formed Calcite rhombs (up to 1 cm on edge), makes this one of the very sharpest Biotite specimens I have seen from the famous Erongo Region in Namibia.

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