出典:Wiktionary
From Ancient Greek ἄφθιτος (áphthitos, “imperishable”) (though the intended meaning is “unalterable”) + ἅλς (háls, “salt”) + -ite.[1]
aphthitalite (usually uncountable, 複数形 aphthitalites)
出典:Wikipedia
出典:『Wikipedia』 (2011/02/08 03:42 UTC 版)
Aphthitalite is a potassium sulfate mineral with the chemical formula: (K,Na)3Na(SO4)2.