Obsidian and Painite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.35-2.60
4.00-4.03
Fracture
Conchoidal, ConchoidalWalter Schumann, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Not Available
Mohs Hardness
5-5.5
7.5-8
Chemical Composition
Not Available
CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Obsidian and Painite Chemical Formula
While comparing Obsidian and Painite 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 Obsidian and Painite chemical formula.
>- Chemical formula of Painite- CaZrBAl 9O 18Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Obsidian and Painite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Obsidian and Painite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Painite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 4.00-4.03 whereas that of Painite is 4.00-4.03.