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Thomsenolite & Ralstonite

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ZLT203087

Thomsenolite & Ralstonite

Description Tabs

Description
Locality: 
Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 2 × 1.7 cm
Description

Thumbnail with nice crystals of thomsenolite and ralstonite.

Mineral Data
What's on the rock

Thomsenolite

Formula: 
NaCa[AlF6]·H2O
Strunz: 
3.CB.40
Hardness: 
2.0
Streak: 
White
Type Locality: 
Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland

Hydrokenoralstonite

Formula: 
NaMg[Al(F,OH)6]·H2O
Group Parent: 
Pyrochlore Supergroup
Strunz: 
3/C.03-60
Crystal System: 
Isometric
Hardness: 
4.5
Colour: 
Colourless, white
Streak: 
White
Type Locality: 
Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Fjord, Sermersooq, Greenland

Seller Information

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