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单词 hydrocalumite
释义

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hydrocalumite
hydrocalumite n.
Brit. /ˌhʌɪdrə(ʊ)ˈkal(j)ᵿmʌɪt/
,
U.S. /ˌhaɪdroʊˈkæl(j)əˌmaɪt/
[ < blend of cal- (in calcium n.) + alum- (in aluminate n.)] Mineralogy a transparent, colourless to light green hydrated hydroxide of calcium and aluminium, Ca2Al(OH)7.3H2O.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > hydroxides > others
gibbsite1822
pyrochroite1868
portlandite1933
hydrocalumite1934
nordstrandite1962
wickmanite1967
tetrawickmanite1973
1934 C. E. Tilley in Mineral. Mag. 23 607 In allusion to its composition as an hydrated calcium aluminate (4CaO.Al2O3.12H2O) the name hydrocalumite is proposed.
1968 I. Kostov Mineral. 215 Apart from hydrocalumite, which is rather soft.., the other minerals are hard.
extracted from hydro-comb. form
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