Thomsenolite
Encyclopedia
Thomsenolite is a mineral, NaCaAlF6·H2O from Greenland
Greenland
Greenland is an autonomous country within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. Though physiographically a part of the continent of North America, Greenland has been politically and culturally associated with Europe for...

. It is an alteration product of cryolite
Cryolite
Cryolite is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987....

.

It was discovered in 1868 in Ivigtut, Greenland and named for Hans Peter Jorgen Julius Thomsen
Hans Peter Jörgen Julius Thomsen
Hans Peter Jørgen Julius Thomsen was a Danish chemist noted in thermochemistry for the Thomsen-Berthelot principle.- Life and work :...

(1826-1909).
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