Webster’s Revised Unabridged Dictionary · 1913
Melaconite
Me·lac′o·nite, n. [Gr. μέλας black + κόνις dust.] (Min.) An earthy black oxide of copper, arising from the decomposition of other ores.
Webster’s Revised Unabridged Dictionary · 1913
Me·lac′o·nite, n. [Gr. μέλας black + κόνις dust.] (Min.) An earthy black oxide of copper, arising from the decomposition of other ores.