Miargyrite is a rare silver species which has an interesting name, according to MINDAT.ORG: From Greek "meion" (less) and "argyros" (silver), for it contains less silver than pyrargyrite which it was often mistaken for. This is a lustrous, very sharply crystallized grouping that makes for a fine thumbnail of display quality. from the Ernie Schlichter collection.Joe Budd Photos