石棉變形 的英文怎麼說
中文拼音 [dànmiánbiànxíng]
石棉變形
英文
asbestos transformation-
Tiger eye is a beautiful quartz gemstone that is found in western australia, south africa, united states, canada, india, namibia, and burma. the foremost important source of tiger eye is the mines in south africa. it is a lustrous yellow to brown color and has the look of glass with a white streak running through it
它是自然界的青石棉或藍石棉被二氧化碳硅膠凝體強烈交代和膠結后所形成的呈棕、褐、黃、藍等顏色，具有絹絲光澤的緻密堅硬的石英質巖石，因為成份已變成石英，其硬度也上升為7 ，比重下降為3
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