翻訳と辞書 |
Caryopilite
Caryopilite (synonymous with ectropite and ektropite)〔 is a brown-colored mineral with formula (Mn2+,Mg)3Si2O5(OH)4. The mineral was discovered in 1889 from a mine in Sweden. It was named for the Greek words for walnut and felt in reference to its appearance. ==Description== Caryopilite is reddish-brown to tan in color naturally; in thin sections, it is light brown to yellow. The mineral occurs as tabular pseudohexagonal crystals, commonly as rosettes, up to . It can also be stalactitic, reniform with a concentrically radiating structure, or have massive habit.〔 The mineral forms as a product of metamorphism in manganese-bearing minerals. Caryopilite has been found in association with brandtite, calcite, gonyerite, jacobsite, lead, manganoan calcite, rhodonite, sarkinite, tirodite.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Caryopilite」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|