ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
pigeon + -ite, named from its type locality on Lake Superior's shores at Pigeon Point, Minnesota, United States.
pigeonite (countable かつ uncountable, 複数形 pigeonites)
出典:Wikipedia
出典:『Wikipedia』 (2010/12/03 13:32 UTC 版)
Pigeonite is a mineral in the clinopyroxene group. It has a general formula of (Ca,Mg,Fe)(Mg,Fe)Si2O6. The calcium cation fraction can vary from 5% to 25%, with iron and magnesium making up the rest of the cations.
Pigeonite