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Ralstonite


Ralstonite : NaMgAl(F,OH)6·H2O

Photo Copyright © OT. Ljostad  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Firth, Arsuk, Kitaa (West Greenland) Province, Greenland
Colourless, octahedral crystals of Ralstonite covered with iron-oxides. Field of view about 6 mm. The specimen is in the micromount collection of OT. Ljostad.

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