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Geocronite

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ESM921573

Geocronite

Description Tabs

Description
Locality: 
Pollone Mine, Valdicastello Carducci, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Description

A grey metallic geocronite crystal with minor galena on matrix

Mineral Data
What's on the rock

Geocronite

Formula: 
Pb14(Sb,As)6S23
Strunz: 
2.JB.30a
Hardness: 
2.5 - 3.0
Type Locality: 
Sala Silver Mine, Sala, Västmanland, Sweden