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Klockmannite Umangite & Tiemannite

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JYJ754189

Klockmannite Umangite & Tiemannite

EDS conf. specimen no 19-11-25-29-t

Description Tabs

Description
Locality: 
Tilkerode, Harz, Saxony - Anhalt, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.3 × 0.9 cm
Description

Darkgrey-blue klockmannite associated with grey tiemannite and purplish umangite. 

Analysis attached to the corresponding section. 

EDS conf. specimen no 19-11-25-29-t

Mineral Data
What's on the rock

Klockmannite

Formula: 
CuSe
Strunz: 
2.CA.05b
Hardness: 
2.0 - 2.5
Type Locality: 
Las Asperezas mine (Sarmiento deposit; Veta Sarmiento), Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja, Argentina

Umangite

Formula: 
Cu3Se2
Strunz: 
2.BA.25
Crystal System: 
Tetragonal
Hardness: 
3.0
Streak: 
Black
Type Locality: 
Trogtal Quarries, Lautenthal, Harz, Lower Saxony, Germany

Tiemannite

Formula: 
HgSe
Strunz: 
2.CB.05a
Hardness: 
2.5
Streak: 
Black
Type Locality: 
St Lorenz Mine, Burgstatt veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany
Analysis
Analysis Report - only: Klockmannite Umangite & Tiemannite
Analysis Report - only: Klockmannite Umangite & Tiemannite
Analysis Report - only: Klockmannite Umangite & Tiemannite
Analysis Report - only: Klockmannite Umangite & Tiemannite