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Orthoclase & Schorl

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RAF703426

Orthoclase & Schorl

Classic Locality

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 6.8 × 6.1 cm
Largest Crystal: 
3.00cm
Weight: 
188.00gr
Description

A nice display piece of Orthoclase and Shorl from Erongo Mountain, Namibia.   Nice form.

Mineral Data
What's on the rock

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

Schorl

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