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Pyroxmangite With Cummingtonite

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SHS31729

Pyroxmangite With Cummingtonite

Description Tabs

Description
Locality: 
Conselheiro Lafaiete, Minas Gerais, Brazil
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 2.2 × 2.7 cm
Description

Cummingtonite on pyroxmangite

Mineral Data
What's on the rock

Pyroxmangite

Formula: 
MnSiO3
Strunz: 
9.DO.05
Hardness: 
5.5 - 6.0

Cummingtonite

Formula: 
☐{Mg2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.05
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0
Streak: 
nd
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