MN104 Sample ID MN104 • Cabinet K Smokey Quartz 12.249cm W x 5.936cm H x 7.841cm D • 708g Sample TypeMineralColortransluscent brown blackLustervitreous StreakwhiteCleavage/FractureConchoidal fractureSpecific Gravity2.641 Geographic Location/DateHaddam, CT Mohs Hardness 7 large double terminating semi-transluscent brownish black crystal. many cracks and inclusions throughout that shimmer iridescently in the Light. Description of Mohs scale here