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Tourmaline Var Schorl

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MGR1102757

Tourmaline Var Schorl

Classic Locality

Description Tabs

Description
Locality: 
Käringbricka, Västerfärnebo, Sala Municipality, Västmanland County, Sweden
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.9 × 2.1 cm
Description

Outstanding cluster of schorl for this Swedish location. There are several well formed crystals forming a wonderful specimen. Contrast is also super fine with some bright quartz present too.

Mineral Data
What's on the rock

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Schorl

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