褐锰矿
成分Mn2+Mn4+O3，含Mn 69.9%。四方晶系。晶体呈双锥状，也呈粒状和块状集合体产出。黑色。条痕褐黑色。半金属光泽。硬度6。密度4.7～5.0克/厘米3。由内生作用和变质作用形成，见于某些接触交代矿床、热液矿床和沉积变质锰矿床中，与黑锰矿等共生。是炼锰的矿石矿物。
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contributed at 2011-09-28
Classification(s)
●
Earth System(in Chinese) Mineralogy
Detailed Description
| English |
|---|
| Name | braunite |
| Chinese |
|---|
| Name | 褐锰矿 |
| Description | 成分Mn2+Mn4+O3，含Mn 69.9%。四方晶系。晶体呈双锥状，也呈粒状和块状集合体产出。黑色。条痕褐黑色。半金属光泽。硬度6。密度4.7～5.0克/厘米3。由内生作用和变质作用形成，见于某些接触交代矿床、热液矿床和沉积变质锰矿床中，与黑锰矿等共生。是炼锰的矿石矿物。 |
How to Cite
NNU_Group (2011). 褐锰矿, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/56bfc4cd-7e97-4f99-b646-48ca9f902824
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