Mar"ca*site (?), n. [F. marcassite; cf. It. marcassita, Sp. marquesita, Pg. marquezita; all fr. Ar. marqashitha.] Min.

A sulphide of iron resembling pyrite or common iron pyrites in composition, but differing in form; white iron pyrites.

Golden marcasite, tin. [Obs.]

 

© Webster 1913.

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