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Adamite & Naumannite

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JYJ851447

Adamite & Naumannite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.2 × 0.6 cm
Description

Colourless unusual shaped adamite associated with naumannite, chalcocite and wulfenite. 

SEM-EDS & XRD conf. no tsu37. 

Analysis in the analytical section. 

 

Mineral Data
What's on the rock

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
white
Type Locality: 
Chañarcillo, Copiapó Province, Atacama Region, Chile

Naumannite

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