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the temperature, the less iron and lighter in color. Iron-rich sphalerite can be divided into two subspecies.....more
,(Co,Fe)AsS).Arsenopyrite has the similar physical properties of marcasite, but these two can.....more
, but chalocoprite is more yellowish and lower in hardness. The black-green streak can be used.....more
or air.An ore of copper, Enargite can also be a source of arsenic oxide. Enargite is found locally.....more
as its acicular fibrous or plumose crystal habit.Jamesonite, from which lead can be extracted.....more
aluminum contents and transformed by middle to high thermal contact metamorphism. They can be found.....more
