It is the name of a mineral. It corresponds to an arsenic sulfide, It is of intense red color and of earthy and opaque appearance. Its chemical formula is AsS. The word is of Arabic origin and means "dust from the cave".
Danilo Enrique Noreña Benítez
It's the name of a mineral. Corresponds to an Arsenic sulfide, It is intense red and earthy and opaque appearance. Its chemical formula is AsS.
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