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Malachite from the Shaba region, Democratic Republic of the Congo.
Chemical formula: Cu₂CO₃(OH)₂
Mohs hardness: 3.5 to 4
Specific gravity: 3.6 to 4, meaning that malachite weighs 3.6 to 4 times as much as an equal volume of water.
Hardness: 3.5 to 4 on the Mohs scale.
Stone dimensions: 51 mm × 78 mm.
Weight with base: 133 g.
View our malachite available on Le Monde Minéral.
