Braunite

Braunite is a silicate mineral containing both di- and tri-valent manganese with the chemical formula: MnMn₆[O₈|SiO₄]. Common impurities include iron, calcium, boron, barium, titanium, aluminium, and magnesium.

Braunite forms grey/black tetragonal crystals and has a Mohs hardness of 6 - 6.5.

单词	braunite
释义	braunite /'braunait/ 英汉-汉英词典 n. 褐锰矿；布氏体；布劳奈铁词组 \| 习惯用语您要查找的是不是： brunette adj. (尤指女)浅黑色的 n. 黑(或深褐)色头发的女子 urbanite n. 都市人 Braun n. 布劳恩（姓氏） braunite n. 褐锰矿；布氏体；布劳奈铁网络短语: braunite cas 褐锰矿 ferrian braunite 铁褐锰矿英语百科 Braunite Braunite is a silicate mineral containing both di- and tri-valent manganese with the chemical formula: MnMn₆[O₈\|SiO₄]. Common impurities include iron, calcium, boron, barium, titanium, aluminium, and magnesium. Braunite forms grey/black tetragonal crystals and has a Mohs hardness of 6 - 6.5.
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braunite /'braunait/

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网络短语:

Braunite