varlamoffiten.
/vɑːləˈmɒfʌɪt/ Mineralogy.
A yellowish cryptocrystalline powdery material, perhaps (Sn,Fe) (O,OH)2, that is related to or perhaps identical with cassiterite.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > cassiterite
tin-stone1602
stream-tin1778
wood-tin1787
stannolite1843
toad's eye tin1850
cassiterite1858
varlamoffite1948
1948 Mineral. Abstr. X. 354 A new mineral varlamoffite, H2SnO3, as yellow earthy material mixed with grains of cassiterite from Kalima, Belgian Congo, is here included for the first time.
1970 Mineral. Mag. 37 626 Most of the reported occurrences of varlamoffite show a strong spatial association with stannite, and most workers have concluded that it is a secondary mineral resulting from the attack of meteoric waters on stannite.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1948