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Cosalite & Pyrite

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SHS70480

Cosalite & Pyrite

ex. Collection Gerhard Gürsch (Stuttgart/Germany)

Description Tabs

Description
Locality: 
Antigorio Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.6 × 3.8 cm
Description

Cosalite and pyrite on quartz

Mineral Data
What's on the rock

Cosalite

Formula: 
Pb2Bi2S5
Strunz: 
2.JB.10
Hardness: 
2.5 - 3.0
Colour: 
Grey
Streak: 
Black
Type Locality: 
Cosalá Mine, Cosalá, Mun. de Cosalá, Sinaloa, Mexico

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5