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Cryolite

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CR28740

Cryolite

Ex Naturhistoriska Riksmuseet Stockholm
Rare Mineral

Description Tabs

Description
Locality: 
Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 8 × 5.5 cm
Largest Crystal: 
1.50cm
Description

This is one of the very rare cryolite specimen with large crystals on top. Very good and old specimen from the type locality.

Ex Naturhistoriska Riksmuseet Stockholm

Mineral Data
What's on the rock

Cryolite

Formula: 
Na3[AlF6]
Strunz: 
3.CB.15
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland