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礦物之美-(白鉛礦∼CERUSSITE)
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CERUSSITE PbCO3 (orthorhombic) . Tsumeb, Oshikoto, Namibia . 白鉛礦晶形變化很多,板狀,雙錐狀,假六方狀,星狀,以120度交叉的網狀.硬度3∼3.5
,高密度∼6.5+ (very dense for a generally transparent mineral). 在光線照射下,顯現金鋼
光澤.在紫外線照射下,可發出黃色螢光.形成於含鉛氧化帶,與 barite, calcite, anglesite, galena. 等礦為伍. 著名產地∼Tsumeb, Nambia; Congo; Morocco; Australia; Germany and Arizona, USA. |
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