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標題: 砷鉛礦 ( Mimetite ) [列印本頁]

作者: 我是分身 時間: 2017-10-14 01:05:09 標題: 砷鉛礦 ( Mimetite )

砷鉛礦 ( Mimetite )

砷鉛礦 ( Mimetite ) 化學式 Pb5(AsO4)3Cl，屬砷酸鹽類礦物，六方晶系。硬度3.5~4，比重7.05~7.32。顏色為黃色、黃褐色、橘色、橘紅色、白色、綠色或無色。

結晶有針狀、六角柱狀 ( 有時呈桶形 ) 或板狀，另有葡萄狀、腎狀或粒狀產出習性，透明至半透明，有著玻璃或松脂光澤，溶於酸中。

砷鉛礦 ( Mimetite )是硫砷礦物常見的次生礦，標本產自墨西哥，與鉬鉛礦(Wulfenite)共生。

(阿源化石之旅)

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