What is native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under Calamine called?

smithsonite — Native zinc carbonate. It generally occurs in stalactitic, reniform, or botryoidal shapes, of a white to gray, green, or brown color. See Note under Calamine. (Webster's 1913.)