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Tourmaline Var Rubellite & Sericite

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CLB215410

Tourmaline Var Rubellite & Sericite

ex collection Ralf Ressel
New Discovery

Description Tabs

Description
Locality: 
Alvarrões Mine, Seixo Amarelo, Guarda, Guarda District, Portugal
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.7 × 2.8 cm
Largest Crystal: 
4.00cm
Description

Beautiful pink rubellite crystals in/on white sericite. From a new find. One or two smaller crystals in the middle might be terminated.
Some of the crystals on the back end in pale pink to colorless tourmaline sheaves.

Mineral Data
What's on the rock

Tourmaline

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

Rubellite

Variety Of: 

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Hardness: 
7
Hardness: 
0.0

Sericite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Hardness: 
0.0

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