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Ralstonite

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HCH170329

Ralstonite

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Description
Locality: 
Ivittuut, Arsuk Fjord, Sermersooq, Greenland
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 2 cm
Largest Crystal: 
0.10cm
Description

Crystals of Ralstonite up to 1 mm large are sitting on matrix.

Mineral Data
What's on the rock

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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