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Schorl & Muscovite

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RBR34804

Schorl & Muscovite

Description Tabs

Description
Locality: 
Minas Gerais, Minas Gerais, Brazil
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 11 × 6 cm
Largest Crystal: 
15.00cm
Description

A large aggregation of fine tourmaline var. schorl with nice plates of muscovite (up to 1 cm).

Mineral Data
What's on the rock

Schorl

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

Muscovite

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

Seller Information

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