褐帘石
成分(Ce，Ca)2(Fe，Al)3［Si2O7］［SiO4］O(OH)，含Ce2O311%，有时含钇、钍等。单斜晶系。晶体呈厚板状，通常呈浸染粒状。常呈变生非晶质。褐色至沥青黑色。树脂光泽。硬度5.5～6。断口参差状或次贝壳状。密度3.2～4.2克/厘米3。具放射性。产于花岗岩、花岗伟晶岩及某些热液矿床中。是提取铈等稀土元素的矿石矿物。
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contributed at 2011-09-28
Classification(s)
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Earth System(in Chinese) Mineralogy
Detailed Description
| English |
|---|
| Name | allanite,orthite |
| Chinese |
|---|
| Name | 褐帘石 |
| Description | 成分(Ce，Ca)2(Fe，Al)3［Si2O7］［SiO4］O(OH)，含Ce2O311%，有时含钇、钍等。单斜晶系。晶体呈厚板状，通常呈浸染粒状。常呈变生非晶质。褐色至沥青黑色。树脂光泽。硬度5.5～6。断口参差状或次贝壳状。密度3.2～4.2克/厘米3。具放射性。产于花岗岩、花岗伟晶岩及某些热液矿床中。是提取铈等稀土元素的矿石矿物。 |
How to Cite
NNU_Group (2011). 褐帘石, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/24c9cd8e-95c2-4218-b5e7-14e96349f00d
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