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Aramayoite & Pyrargyrite

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SER886809

Aramayoite & Pyrargyrite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
San Genaro Mine, Castrovirreyna, Castrovirreyna Province, Huancavelica Department, Peru
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 1.1 × 0.4 cm
Description

grey aramayoite crystals with dark red pyrargyrite

Mineral Data
What's on the rock

Aramayoite

Formula: 
Ag(Sb,Bi)S2
Strunz: 
2.HA.25
Crystal System: 
Triclinic
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Ánimas Mine, Chocaya-Animas (Animas-Chocaya), Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia

Pyrargyrite

Formula: 
Ag3SbS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal - Ditrigonal Pyramidal
Hardness: 
2.5