出典:Wiktionary
kieserite (countable かつ uncountable, 複数形 kieserites)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/14 12:42 UTC 版)
Kieserite is a highly unstable magnesium sulfate mineral (MgSO4·H2O). It has a vitreous luster and it is colorless, grayish-white or yellowish. Its hardness is 3.5 and it has a monoclinic crystal system. It is used in the production of Epsom salt and is named after Dietrich Georg von Kieser (Jena, Germany 1862).