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Chalcothallite

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CR133028

Chalcothallite

Rare Mineral

Description Tabs

Description
Locality: 
Taseq Slope, Ilimaussaq, Narsaq, Kujalleq, Greenland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3 × 2.5 cm
Largest Crystal: 
0.60cm
Description

A black, platy crystallized aggregate fo the very rare mineral chalcothalite in a matrix of ussingerite from the type locality.

Very good and rare !

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