MN109 Sample ID MN109 • Cabinet K Quartz 9.731cm W x 7.308cm H x 5.418cm D • 448g Sample TypeMineralColorcoloress. transparentLustervitreous StreakwhiteCleavage/FractureConchoidal fractureSpecific Gravity2.666 Geographic Location/DateBrazil Mohs Hardness 7 a large chunk of extremely glasslike transparent mineral with irregular angles and sharp edges. the sides are very smooth and the there is evidence of Conchoidal and uneven fractures. Description of Mohs scale here