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Chalcothallite

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JYJ76273

Chalcothallite

ex. R. Feigl

Description Tabs

Description
Locality: 
Taseq Slope, Ilimaussaq, Narsaq, Kujalleq, Greenland
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.3 × 1 cm
Description

This specimen shows black chalcothallite in matrix. iIt was purchased on 20/06/1981.

Mineral Data
What's on the rock

Chalcothallite

Formula: 
Tl2(Cu,Fe)6SbS4
Strunz: 
2.BD.40
Crystal System: 
Tetragonal
Hardness: 
2.0 - 2.5
Streak: 
Black
Type Locality: 
Nakalak Mt (Nakalaq; Nakkaalaaq), Taseq area, Ilímaussaq complex, Narsaq, Kujalleq, Greenland