Ralstonite  Cryolite   Image

Ralstonite Cryolite Image

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 Cryolite, Ralstonite

Large Cryolite Image

Mineral: Cryolite: Na3AlF6  
Ralstonite: NaxMgxAl2-x(F,OH)6·(H2O)
Comments: Massive cryolite with solution cavities lined with octahedral ralstonite crystals.
Location: Ivigtut, Greenland.
Scale: Picture size 0.5 cm.
Copyright: © John Veevaert
Counter: This Image has been shown 18346 times
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