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A Geoscience Digital Image Library

190.jpg
TitleThomsenolite from Ivigtut, Greenland
DescriptionThomsenolite, NaCaAlF6·(H2O), with siderite, FeCO3, from Ivigtut, Greenland. Thomsenolite is typically an alteration product formed after cryolite, Na3AlF6. This sample, from Ivigtut (where the world's largest known cryolite deposit is being mined) is about 6 cm across.
LocationGreenland ▹ Arsukfjord. Near Ivigtut.
PhotographerShannon Heinle. 2001-03-07.
CollectionUniversity of North Dakota Mineralogy Collection #288.
Key wordsthomsenolite, cryolite, Greenland, Ivigtut
Tech details333 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number190