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共找到 13 筆符合的資料
places of iron are not filled. The ratio of iron to sulfur is between 0.85 and 1; therefore.....more
contains iron, manganese and other minerals. Its optical properties vary with the amount of iron.....more
of iron, arsen, and sulfur. When the composition of iron is replaced with cobalt, then it forms (Glaucodot.....more
, sometimes nickel and iron. It is octahedron and forms twin crystals on cleavage {111}.主要由銅、鈷和硫所構成,也常含有少量.....more
提煉硫。礦物硫化物及硫鹽白鐵礦Marcasite Sulfides and SulfosaltsMarcasite consists primarily of iron and sulfur.....more
occasionally also contains a small portion of gold, silver, copper, iron and lead. Stibnite crystals.....more
of three elements: copper, iron, and sulfur and usually a small amount of silver, gold, manganese.....more
amounts of iron and zinc may be present. Enargite may contain some antimony in place of the arsenic.....more
CovelliteSulfides and SulfosaltsThe mineral consists of copper and sulfur and small amounts of iron.....more
.9 S and Cu 1.5 S. Small amounts of iron may be present and part of the sulfur may be replaced.....more
and SulfosaltsJamesonite consists mainly of lead, iron, antimony, and sulfur. It sometimes contains.....more
contains iron, zinc and occasionally small amounts of silver, lead and mercury. It shares the same.....more
硫酸的重要原料,有時也可從中提煉銅、銀、金和鎳。礦物硫化物及硫鹽黃鐵礦Pyrite Sulfides and SulfosaltsPyrite is mainly composed of iron.....more