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共找到 4 筆符合的資料
SilverThe color and steak of native silver is grayish white and it remains stable in the air and water.....more
the luster of the crystals and the black color may turn into silver white over time if exposed to sun.....more
and SulfosaltsConsisting of lead and sulfur, Galena may also contain small amounts of silver, copper or zinc. Its distinct.....more
and sulfur, Galena may also contain small amounts of silver, copper or zinc. Its distinct features.....more
