| 石榴子石晶体碱腐蚀像及其与酸腐蚀像的对比 |
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| 引用本文： | 刘河清,赵珊茸,徐畅,李坤. 石榴子石晶体碱腐蚀像及其与酸腐蚀像的对比[J]. 人工晶体学报, 2011, 40(5): 1236-1241 |
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| 作者姓名： | 刘河清 赵珊茸 徐畅 李坤 |
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| 作者单位： | 中国地质大学地球科学学院,武汉,430074 |
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| 基金项目： | 国家基础科学人才培养专项基金(J0830520); 国家自然科学基金(40872040) |
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| 摘 要： | 本文采用NaOH-KOH混合熔融物和KOH溶液对石榴子石晶体各种不同的结晶学方向的晶面(切面)进行腐蚀实验,建立了石榴子石碱腐蚀像的立体模型,并与酸(HF溶液)腐蚀像模型进行对比.研究发现碱腐蚀像与酸腐蚀像一样能很好的反映晶体的对称特点,并发现在{ 100}、{110}晶面(切面)上碱腐蚀像与酸腐蚀像相同,而在{120}、{221}、{111}、{211}晶面(切面)上,碱腐蚀像与酸腐蚀像不同.该研究可以用来对石榴子石族矿物进行结晶学定向,同时具有揭示矿物所处地质环境酸碱性的指示意义.
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| 关 键 词： | 石榴子石 腐蚀像 晶体定向, |
Etch Figure on a Garnet Crystal Formed by Alkaline Reagents and Its Difference from That Formed by Acid Solution |
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| LIU He-qing , ZHAO Shan-rong , XU Chang , LI Kun. Etch Figure on a Garnet Crystal Formed by Alkaline Reagents and Its Difference from That Formed by Acid Solution[J]. Journal of Synthetic Crystals, 2011, 40(5): 1236-1241 |
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| Authors: | LIU He-qing ZHAO Shan-rong XU Chang LI Kun |
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| Affiliation: | LIU He-qing,ZHAO Shan-rong,XU Chang,LI Kun (Faculty of Earth Sciences,China University of Geosciences,Wuhan 430074,China) |
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| Abstract: | In this paper,NaOH-KOH mixture of melt and KOH solution were used to corrode a garnet crystal.The etch figures on faces(or sections) with different crystallographic directions were observed,and a stereographic model of etch figures were established.The difference between the etch figures formed by HF solution and alkaline reagents on the same crystal face or section was also analyzed.It is indicated that both alkaline etching and acid etching can reflect the characteristics of the crystal symmetry.Compariso... |
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| Keywords: | garnet etching figure crystal orientation |
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