软锰矿
发育完好晶形者称黝锰矿(polianite)。成分MnO2，含Mn 63.2%。四方晶系。晶体呈细柱状或针状；通常呈块状、粉末状集合体。颜色和条痕均为黑色。光泽和硬度视其结晶粗细和形态而异；结晶好者呈半金属光泽，硬度较高；而隐晶质块体和粉末状者，光泽暗淡，硬度低，极易污手。密度5克/厘米3左右。为沉积锰矿床的主要成分之一；亦产于热液矿床。此外，在锰矿床的氧化带部分，它是所有原生低价锰矿物的氧化产物。
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contributed at 2011-09-28
Classification(s)
●
Earth System(in Chinese) Mineralogy
Detailed Description
| English |
|---|
| Name | pyrolusite |
| Chinese |
|---|
| Name | 软锰矿 |
| Description | 发育完好晶形者称黝锰矿(polianite)。成分MnO2，含Mn 63.2%。四方晶系。晶体呈细柱状或针状；通常呈块状、粉末状集合体。颜色和条痕均为黑色。光泽和硬度视其结晶粗细和形态而异；结晶好者呈半金属光泽，硬度较高；而隐晶质块体和粉末状者，光泽暗淡，硬度低，极易污手。密度5克/厘米3左右。为沉积锰矿床的主要成分之一；亦产于热液矿床。此外，在锰矿床的氧化带部分，它是所有原生低价锰矿物的氧化产物。 |
How to Cite
NNU_Group (2011). 软锰矿, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/b293bdbc-e92b-4e19-9c0d-13d953a4427a
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