MN693 Sample ID MN693 • Cabinet H Malachite (Africa) 5.4cm W x 8.1cm H x 1.63cm D • 280g Sample TypeMineralColorTealLusterVitreous StreakGreenCleavage/FracturePerfect/SubconchoidalSpecific GravityNA Geographic Location/DateAfrica Mohs Hardness 3 A flat piece of Malachite. This specimen has very bright colors and an incredible pattern. Malachite can be toxic when submerged in water, so the specific gravity for this specimen cannot be taken. This piece is from Africa and is part of a group of three. Description of Mohs scale here