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单词 tetrawickmanite
释义

> as lemmas

tetrawickmanite
tetrawickmanite n.
Brit. /ˌtɛtrəˈwɪkmənʌɪt/
,
U.S. /ˌtɛtrəˈwɪkməˌnaɪt/
Mineralogy a tetragonal polymorph of wickmanite, MnSn(OH)6, found as yellow crystals.
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the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > hydroxides > others
gibbsite1822
pyrochroite1868
portlandite1933
hydrocalumite1934
nordstrandite1962
wickmanite1967
tetrawickmanite1973
1973 White & Nelen in Mineral. Rec. IV. 24/1 The mineral..was not wickmanite, but its tetragonal dimorph! To emphasize this dimorphic relationship the mineral has been named tetrawickmanite.
1978 Mineral Rec. IX. 41/2 The Langban tetrawickmanite occurs as bright yellow euhedra implanted on magnetite.
extracted from tetra-comb. form
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as lemmas
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