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Tourmaline Var Schorl

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SYA194430

Tourmaline Var Schorl

rare locality

Description Tabs

Description
Locality: 
Lela Mine, Isla de la Juventad, Cuba
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4 × 3.8 cm
Description

A reference specimen of tourmaline var schorl from a rarely offered locality.This specimen was found in 1983/85 .

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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