MN602 Sample ID Mn602 • Cabinet Z Native Copper 3.52cm W x 6.71cm H x 2.11cm D • 130g Sample TypeMineralColorDark brown with green oxidationLusterDull StreakBrownCleavage/FractureHackly FractureSpecific Gravity5.41 Geographic Location/DateCentral Mine MI Mohs Hardness 3 (Specimen on the white stand is the representative.) A Dark brown mineral with a dull luster and green oxidation. Has a hackly fracture. Specific gravity is lower than typical with a 5.41 as opposed to the usual 8.9. Description of Mohs scale here