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Schorl & Feldspar Group

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MGR728336

Schorl & Feldspar Group

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 5.1 × 3.7 cm
Description

A wonderful assemble of jet-black schorl on light well crystalized feldspat crystals. The special indicator is the habit of the schrol main crystals - they look like zepters with end-points on both sides. Looks much better in person and very showy in each angle. No significant damages to report.

Mineral Data
What's on the rock

Schorl

Formula: 
Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.0