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Quartz & Feldspar Group

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MGR829718

Quartz & Feldspar Group

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 5 × 4.4 cm
Description

This is really a very uncommon specimen - a huge sharp terminated feldspat with two sides, which are completely covered with sharp terminated quartz crystals. The two other sides show the white Feldspat without any quartz crystals on it. Also the end-point is completely covered with quartz and only the bottom was on the rock. No significant damages to report!

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White