Malachite and Zincite Physical Properties
Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
5.50-5.90
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect on { 2 01} fair on {010}
On {10 1 0}, perfect; parting on {000 1 }
Mohs Hardness
3.5-4
4
Chemical Composition
Cu2CO3(OH)2
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Zincite Chemical Formula
While comparing Malachite and Zincite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Malachite and Zincite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Zincite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.
