“spadaite”的英文意思_释义_用法

单词

spadaite

释义

spadaite Min.|ˈspɑːdəaɪt|
[ad. G. spadait (F. von Kobell 1843, in Jrnl. für prakt. Chem. XXX. 467), f. the name of Lavinio Spada de Medici (1801–63), Italian writer, politician, and mineralogist: see -ite¹.]
A hydrated magnesium silicate, MgSiO₃.2H₂O, found as an alteration product in lavas, and occurring as amorphous masses coloured red by impurities.
1848J. D. Dana Man. Mineral. 149 Spadaite. A flesh⁓red mineral, near Schiller spar.1931Amer. Mineralogist XVI. 232 Spadaite occurs only in the ore shoots, associated with the silicates mentioned, quartz, various sulphides (chiefly chalcopyrite and bornite) and their oxidation products, and small quantities of native gold.1968I. Kostov Mineral. 334 Spadaite, MgSiO₃.2H₂O,..corresponds to hydrated enstatite.

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