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Schorl On Orthoclase

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SHS99075

Schorl On Orthoclase

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3.6 cm
Description

Nice black schorl on orthoclase crystals

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

Orthoclase

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