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Minasgeraisite-(Y) & Muscovite

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ALB151107

Minasgeraisite-(Y) & Muscovite

Description Tabs

Description
Locality: 
Jaguaraçu Pegmatite, Jaguaraçu, Minas Gerais, Brazil
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.4 × 0.3 cm
Description

Violet crystals on muscovite. Very rare mineral from the one-time finding.

Mineral Data
What's on the rock

Minasgeraisite-(Y)

Formula: 
CaBe2Y2Si2O10
Strunz: 
9.AJ.20
Crystal System: 
Monoclinic
Hardness: 
6.0 - 7.0
Type Locality: 
Jaguaraçu pegmatite (José Miranda mine; José Pinto mine; Carneirinho mine), Jaguaraçu, Minas Gerais, Brazil

Muscovite

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

Seller Information

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