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http://dx.doi.org/10.9727/jmsk.2015.28.4.333

Mineralogical Characteristic and Occurrence of Tremolite and Actinolite in the Dong-A mine, Korea  

Kim, Seong Ho (SINWON INDUSTRIAL CO.,LTD.)
Kim, Jeong Jin (Department of Earth and Environmental Sciences, Andong National University)
Publication Information
Journal of the Mineralogical Society of Korea / v.28, no.4, 2015 , pp. 333-341 More about this Journal
Abstract
As results of X-ray diffraction analysis, samples of asbestos and soil were composed maily of dolomite ($CaMg(Co_3)_2$, tremolite ($Ca_2Mg_5Si_{18}O_{22}(OH)_2$), actinolite ($Ca(Mg,\;Fe)_6Si_8O_{22}(OH)_2$), talc ($Mg_3Si_4O_{10}(OH)_2$), calcite ($CaCO_3$) and small amounts of quartz ($SiO_2$) and clay minerals. The average size of asbestos fibers was about $100{\mu}m$ and maximum of some asbestos was $250.0{\mu}m$ in length. The aspect ratio of asbestos fiber were over 3 : 1 and inclined extinction in the range of $8.0-19.5^{\circ}$. Single isolated fragments of asbestos are probably fiber and acicula form in crystal edge along the cleavage plane. Tremolite that composed main asbestos mineral in rock and soil around Dong-a mine is higher content of Fe than actinolite asbestos.
Keywords
dolomite; tremolite; actinolite; talc; asbestos;
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Times Cited By KSCI : 4  (Citation Analysis)
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