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Schorl With Quartz & Cleavelandite

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MII144065

Schorl With Quartz & Cleavelandite

Astor Valley
Classic Locality

Description Tabs

Description
Locality: 
Bulochi, Astore Valley, Astore District, Gilgit-Baltistan, Pakistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.1 × 2.9 cm
Largest Crystal: 
2.50cm
Description

An attractive association specimen featuring a stout jet black Schorl crystal are contact point with colorless cristals of quartz and white albite lenticular. Some Microcline crystal and from one side to find small crystals of tourmaline green bicolor
The piece is in good shape overall, and is well crystallized.

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

Quartz

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

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0
MineralsIsland

Seller Information

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