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出典:Wiktionary
出典:『Wiktionary』 (2017/01/27 07:52 UTC 版)
Alpheus Fuller Williams (1874-1953) of the De Beers diamond company, and -ite.
afwillite (複数形 afwillites)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/01 15:32 UTC 版)
Afwillite is a calcium hydroxide nesosilicate mineral with formula Ca3(SiO3OH)2.2H2O. It occurs as glassy, colorless to white prismatic monoclinic crystals. Its Mohs scale hardness is between 3 and 4. It occurs as an alteration mineral in contact metamorphism of limestone.
Afwillite