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features include lead gray color and streak, perfect cubic cleavage and high density.Galena.....more
include lead gray color and streak, perfect cubic cleavage and high density.Galena is a relatively.....more
Mineralogist. Its important features include its metallic luster, lead-gray color and streak, as well.....more
is characterized in its metallic luster, gray to black colors and brittleness. It is one.....more