Malachite and Willemite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
3.89-4.18
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
Perfect on { 2 01} fair on {010}
{0001}, {11 2 0} imperfect
Chemical Composition
Cu2CO3(OH)2
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Willemite Chemical Formula
While comparing Malachite and Willemite 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 Willemite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Willemite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Willemite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.89-4.18 whereas that of Willemite is 3.89-4.18.