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Naumannite

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CR808990

Naumannite

Rare Mineral

Description Tabs

Description
Locality: 
Potosi Mine, Silver City, Owyhee County, Idaho, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 4 cm
Description

Rich specimen of grey metalic naumannite veins in quartz matrix.

With very old label.

Ex Erberto Tealdi collection and label.

Mineral Data
What's on the rock

Naumannite

Formula: 
Ag2Se
Strunz: 
2.BA.55
Crystal System: 
Orthorhombic
Hardness: 
2.5
Streak: 
black
Type Locality: 
Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany