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, it is abundant in the low temperature hydrothermal deposits. Galena that is formed in the oxidation.....more
in the low temperature hydrothermal deposits. Galena that is formed in the oxidation zone of sulfide.....more
物有綠泥石、白雲母、電氣石、藍晶石、磁鐵礦和矽線石等。 由於紅寶石和藍寶石硬度高、比重大，在母岩經風化、搬運後，碎屑物常在河床中殘留、堆積，形成砂積礦床（Placer deposits）。全球砂.....more
deposits and volcanic sublimates. Hunan Province in China is well-known for its production of stibnit.....more
in the Chin-Kua-Shih gold and copper deposits in Taipei and is therefore an economically valuable.....more
in copper deposits." 晶系:等軸 晶體:八面體 集合體型態:塊狀 解理(斷口)描述:｛111｝解理：良好；貝殼狀斷口 顏色:藍 顏色描述:藍至黑色 光澤:半金屬 條痕描述:黑色 比重描述.....more
. Mined deposits may have a sedimentary origin such as salinity structure in Baja California.....more
deposits. Gold washing used to be found in Keelung River in Taipei and Liwu River in Hualien. " 晶系:等軸.....more
