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Magnetite

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MCP727200

Magnetite

Description Tabs

Description
Locality: 
Diamantina, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
7.5 × 11.5 × 5.2 cm
Largest Crystal: 
1.70cm
Description

Nice, sharp, dark brown, metallic lustrous magnetite crystals up to 17 mm across on schist matrix from Diamantina, Brazil. Some of the crystals show minor imperfections. The bottom of the specimen is sawn off. 

Mineral Data
What's on the rock

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

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