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出典:Wiktionary
From Ancient Greek ταχύς (takhús, “quick”) + ὕδωρ (húdōr, “water”).[1]
tachyhydrite (countable かつ uncountable, 複数形 tachyhydrites)
出典:Wikipedia
出典:『Wikipedia』 (2010/02/21 16:49 UTC 版)
Tachyhydrite is an unstable mineral, a hydrous chloride of calcium and magnesium with formula: CaMg2Cl6·12H2O. It is a rare component of marine evaporite salt deposits. Upon exposure to moist air it rapidly deliquesces and dissolves.
Tachyhydrite