Sheen Obsidian and Povondraite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.33-2.50
3.26
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Not Available
None
Mohs Hardness
5-5.5
Not Available
Chemical Composition
Not Available
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Sheen Obsidian and Povondraite Chemical Formula
While comparing Sheen Obsidian and Povondraite 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 Sheen Obsidian and Povondraite chemical formula.
>- Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Sheen Obsidian and Povondraite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sheen Obsidian and Povondraite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sheen Obsidian and Povondraite Optical Properties during the identification of gemstone. Specific gravity of Sheen Obsidian is 3.26 whereas that of Povondraite is 3.26.