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出典:Wiktionary
ettringite (countable かつ uncountable, 複数形 ettringites)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/17 17:06 UTC 版)
Ettringite is a hydrous calcium aluminium sulfate mineral with formula: Ca6Al2(SO4)3(OH)12·26H2O. It is a colorless to yellow mineral crystallizing in the trigonal system. The prismatic crystals are typically colorless, turning white on partial dehydration.
ETTRINGITE