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Gratonite

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Gratonite

Description Tabs

Description
Locality: 
Excelsior Mine, Cerro de Pasco, Pasco Department, Peru
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.8 × 0.5 cm
Description

A cluster of  lustrous metallic gratonite crystals

Mineral Data
What's on the rock

Gratonite

Formula: 
Pb9As4S15
Strunz: 
2.JB.55
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Excelsior Mine, Cerro de Pasco, Pasco province, Pasco department, Peru