thoreauliten.
/ˈθɒrəʊlʌɪt/ Mineralogy.
A monoclinic oxide of tin and tantalum, SnTa2O6, found as rough brown prismatic crystals that are transparent in thin splinters.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > oxides of titanium, tantalum, nickel, or rare earths > others
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1934 Chem. Abstr. 28 6658 Thoreaulite (new) is monoclinic with high n and birefringence.
1959 Mineral. Abstr. 14 107/1 Two flat veins break off from the north of the dyke of pegmatite at Manono (Katanga)... The heavy minerals are: cassiterite, tantalo-columbite, thoreaulite, löllingite, pyrite, galena.
1974 Amer. Mineralogist 59 1036/1 It is necessary to justify the choice of SnTa2O6 as the ideal composition of thoreaulite, since the ideal formula is usually given as SnTa2O7.
This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2020).
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n.1934