Malachite and Tantalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
5.2
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Perfect on { 2 01} fair on {010}
Good in one direction
Mohs Hardness
3.5-4
6-6.5
Chemical Composition
Cu2CO3(OH)2
(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Malachite and Tantalite Chemical Formula
While comparing Malachite and Tantalite 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 Tantalite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references
Malachite and Tantalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 5.2 whereas that of Tantalite is 5.2.