Malachite and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
2.77
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on { 2 01} fair on {010}
Perfect [001] good [010] poor [110]
Mohs Hardness
3.5-4
6-6.5
Chemical Composition
Cu2CO3(OH)2
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Anorthite Chemical Formula
While comparing Malachite and Anorthite 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 Anorthite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.77 whereas that of Anorthite is 2.77.