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and white lead.Among many lead-rich minerals on the earth, Galena is the primary ore of lead.與雄黃相同，主要.....more
the luster of the crystals and the black color may turn into silver white over time if exposed to sun.....more
deposits is less stable and is often altered to secondary minerals, such as Anglesite and white lead.....more
yellow, brownish yellow and brown while the white streaks will turn brown.The amount of iron contained.....more
