Malachite and Augelite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
2.70-2.75
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on { 2 01} fair on {010}
From the Greek for luster, for its pearly luster on the cleavage.
Mohs Hardness
3.5-4
4.5-5
Chemical Composition
Cu2CO3(OH)2
Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Augelite Chemical Formula
While comparing Malachite and Augelite 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 Augelite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Augelite- Al 2(PO 4)(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Malachite and Augelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Augelite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.70-2.75 whereas that of Augelite is 2.70-2.75.