MN200 Sample ID MN200 • Cabinet U Calcite 8.32cm W x 5.93cm H x 5.32cm D • 250g Sample TypeMineralColorClear with brown and purple huesLustervitreous StreakWhiteCleavage/FractureUneven fracture perfect cleavageSpecific Gravity2.65 Geographic Location/DateSanta Eulalia Chihuahua Mexico Mohs Hardness 3 3/4 large spiky primary crystal growths. reddish clear with black film Description of Mohs scale here