Sheen Obsidian and Apatite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.33-2.50
3.16-3.23
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Cleavage
Not Available
[0001] indistinct, [1010] indistinct
Chemical Composition
Not Available
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Sheen Obsidian and Apatite Chemical Formula
While comparing Sheen Obsidian and Apatite 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 Apatite chemical formula.
>- Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Sheen Obsidian and Apatite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sheen Obsidian and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sheen Obsidian and Apatite Optical Properties during the identification of gemstone. Specific gravity of Sheen Obsidian is 3.16-3.23 whereas that of Apatite is 3.16-3.23.