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Magnetite & Talc

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SER965061

Magnetite & Talc

Description Tabs

Description
Locality: 
Brosso Mine, Cálea, Léssolo, Torino Province, Piedmont, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 4.5 × 4.5 cm
Description

a cabinet size specimen featuring some vugs filled with black metallic magnetite crystals on and with light green hexagonal crystals of talc

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

Talc

Formula: 
Mg3(Si4O10)(OH)2
Strunz: 
9.EC.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White