Category Halide minerals Strunz classification 3.CB.40 Space group P21/b | Formula(repeating unit) NaCaAlF6·H2O Crystal system Monoclinic | |
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Crystal class Prismatic (2/m)(same H-M symbol) | ||
Thomsenolite is a mineral with formula: NaCaAlF6·H2O. It is an alteration product of cryolite.
It was discovered in 1868 in Ivigtut, Greenland and named for Hans Peter Jorgen Julius Thomsen (1826–1909).
References
Thomsenolite Wikipedia(Text) CC BY-SA