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Cummingtonite & Rhodonite

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SYA775020

Cummingtonite & Rhodonite

Description Tabs

Description
Locality: 
Morro da Mina, Conselheiro Lafaiete, Minas Gerais, Brazil
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2 × 1.7 cm
Description

Fibrous white-grey cummingtonite with red rhodonite.

Mineral Data
What's on the rock

Cummingtonite

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

Rhodonite

Formula: 
MnSiO3
Strunz: 
9.DK.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Kaiser Franz Mine (König Wilhelm Mine), Schävenholz (Schebenholz; Schäbenholz), Elbingerode, Harz, Saxony-Anhalt, Germany

Seller Information

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