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Tourmaline Var Schorl

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SYA707935

Tourmaline Var Schorl

Classic Locality

Description Tabs

Description
Locality: 
Lanzo Valleys, Torino Province, Piedmont, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 6.5 × 3.3 cm
Largest Crystal: 
7.00cm
Description

Lustrous brown-black naturally "faceted" schorl crystals on pale green sachist.

Found in the 1970s

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

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