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Manganoan Siderite With Muscovite

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CLB64518

Manganoan Siderite With Muscovite

Description Tabs

Description
Locality: 
Governador Valadares, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 6 × 5 cm
Largest Crystal: 
2.10cm
Description

Large dark brown manganoan siderite crystal in matrix.
Mounted on an acrylic base.

Mineral Data
What's on the rock

Manganoan Siderite

Variety Of: 

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Hardness: 
3.5 - 4.5
Formula: 
(Fe,Mn)CO3
Hardness: 
0.0

Muscovite

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

Seller Information

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