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共找到 11 筆符合的資料
the luster of the crystals and the black color may turn into silver white over time if exposed to sun.....more
contains iron, zinc and occasionally small amounts of silver, lead and mercury. It shares the same.....more
所命名的。顏色以鮮紅至深紅色為主，因具金剛光澤，故舊名又稱之為淡紅寶石銀礦（Light ruby silver）。由於摩氏硬度僅有2~2.5，無法作為寶石之用。紅色的晶體若長久受到光照作用會逐漸變為暗.....more
Dyscrasite Sulfides and SulfosaltsDyscrasite is the primary ore mineral of antimony and silver.....more
occasionally also contains a small portion of gold, silver, copper, iron and lead. Stibnite crystals.....more
and SulfosaltsConsisting of lead and sulfur, Galena may also contain small amounts of silver, copper or zinc. Its distinct.....more
be identified according to the different colors, silver and light brass yellow. After weathering.....more
of three elements: copper, iron, and sulfur and usually a small amount of silver, gold, manganese.....more
and sulfur, Galena may also contain small amounts of silver, copper or zinc. Its distinct features.....more
and selenium, and small amounts of gold and silver sometimes.It is of leaden color and low hardness.....more
and sulfur, and sometimes contains small amounts of nickel, cobalt, gold, silver and copper" 晶系:等軸 集合.....more
