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Siderite In Cryolite

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SHS58404

Siderite In Cryolite

Description Tabs

Description
Locality: 
Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 4.7 × 3.8 cm
Description

Brown siderite in light grey kryolite

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

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