| 山东昌乐蓝宝石砂矿中磁铁矿的宝石矿物学特征研究 |
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| 引用本文： | 栾雅春,白峰,刘晋华. 山东昌乐蓝宝石砂矿中磁铁矿的宝石矿物学特征研究[J]. 宝石和宝石学杂志, 2011, 13(3): 18-22 |
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| 作者姓名： | 栾雅春 白峰 刘晋华 |
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| 作者单位： | 中国地质大学珠宝学院,北京,100083 |
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| 摘 要： | 采用常规宝石学鉴定方法、反光显微镜、X射线粉末衍射仪(XRD)、电子探针X射线显微分析仪(EPMA)、傅里叶变换红外光谱仪(FTIR)等测试方法,对山东昌乐蓝宝石砂矿中的一种副矿物样品进行了常规的宝石学、矿物学、谱学特征研究。肉眼观察,这种副矿物样品呈黑色、不透明,具有强磁性,摩氏硬度大于小刀。在反光显微镜下,该样品为钢灰色,呈现不透明的四边形颗粒状。X射线粉末衍射及电子探针成分分析的结果表明,该副矿物样品为富含Ti的磁铁矿,其晶体结构中类质同象替代广泛,但未见对人体有害的微量元素。该样品的红外光谱与磁铁矿的标准红外光谱基本一致。
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| 关 键 词： | 磁铁矿 宝石矿物学特征 蓝宝石砂矿 山东昌乐 |
Gemmological and Mineralogical Characteristics of Magnetite in Sapphire Deposit from Changle,Shandong Province |
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| LUAN Ya-chun,BAI Feng,LIU Jin-hua. Gemmological and Mineralogical Characteristics of Magnetite in Sapphire Deposit from Changle,Shandong Province[J]. Journal of Gems & Gemmology, 2011, 13(3): 18-22 |
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| Authors: | LUAN Ya-chun BAI Feng LIU Jin-hua |
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| Affiliation: | LUAN Ya-chun,BAI Feng,LIU Jin-hua(Institute of Jewellery,China University of Geosciences,Beijing 100083,China) |
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| Abstract: | This paper is a study on the gemmological,mineralogical and spectral characteristics of a kind of accessory mineral in sapphire deposit from Changle,Shandong Province by using conventional gemmological methods,reflective microscope,X-ray powder diffractometer,electronic probe X-ray microscopic analyzer and Fourier transform infrared spectrometer.This accessory mineral is black,opaque and magnetic,and is harder than knife in Mohs scales.Under the reflective microscope,the colour of the samples is steel grey ... |
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| Keywords: | magnetite gemmological and mineralogical characteristic sapphire deposit Changle Shandong Province |
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