wickmaniten.
/ˈwɪkmənʌɪt/ Mineralogy.
A cubic hydroxide of manganese and tin, MnSn(OH)6, found as small yellowish or colourless octahedral crystals.
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wickmanite1967
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1967 Moore & Smith in Arkiv för Mineral. och Geol. IV. 398 Wickmanite..is of interest since it is the first tin mineral reported from Långban.
1977 Canad. Mineralogist XV. 437/1 Wickmanite, MnSn(OH)6, schoenfliesite, MgSn(OH)6, and manganoan schoenfliesite occur in separate low-temperature parageneses in hydrothermally mineralized skarns at Pitkäranta, Karelia.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1967