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Tourmaline Var Schorl

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JZM717623

Tourmaline Var Schorl

Classic Locality

Description Tabs

Description
Locality: 
Malpensata Pegmatite, Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.5 × 4 cm
Description

Well developed schorl crystal with good termination on typical pegmatitic matrix associated with muscovite, quartz and minor almandine.

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

Seller Information

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