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Naumannite

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MNR687497

Naumannite

Description Tabs

Description
Locality: 
Zálesí, Javorník, Jeseník, Olomouc Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 2.5 × 1.4 cm
Description

Rare silver selenide in matrix. Sample consist of multiple naumanite grains and crystals.

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