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Thuringite & Magnetite

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SHS1153374

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Description
Locality: 
Lake Superior, Keweenaw County, Michigan, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.7 × 1.2 cm
Description

Nice thuringite in magnetite

Mineral Data
What's on the rock

Thuringite

Variety Of: 

Chamosite

Formula: 
(Fe2+,Mg)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
3.0
Formula: 
(Fe,Fe,Mg,Al)6(Si,Al)4O10(O,OH)8
Hardness: 
0.0

Magnetite

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

Current price

$

Starting price

$4
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Start 30 Nov 18:00
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