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Jorgensenite: Na2(Sr,Ba)14Na2Al12F64(OH,F) Weberite: Na2MgAlF7
Comments: SEM image of polished section of aluminofluoride vein mounted in epoxy. Bladed jorgensenite (Jor), barite (Bar) and weberite (Web) with minor quartz, bøgvadite, schorl, pyrite, galena, chalcopyrite and chalcocite.
Location: Ivigtut Cryolite deposit, Ivittuut (Ivigtut), Arsuk Firth, Arsuk, Kitaa (West Greenland) Province, Greenland.
Scale: See Image.
© Pavel M. Kartashov