Dyscrasite crystal cluster. From Uranium Mine #21, Pribram, Bohemia, Czech Republic. Sample is 3.5 x 3.2 x 1.5 cm in size. (Image courtesy Rob Lavinsky and irocks.com; unauthorized reproduction is prohibited.)

Formula: Ag3Sb Orthorhombic


Dyscrasite as a rare mineral found with other silver minerals in hydrothermal deposits.

ONEIDA COUNTY: Dyscrasite occurs with silver, gold, pyrargyrite, acanthite, galena, sphalerite and chalcopyrite in the Lynn massive sulfide deposits (Kennedy et al., 1991).