Eosphorite and Black Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.05-3.08
1.97-2.22
Fracture
Subconchoidal, Uneven, Conchoidal, Uneven
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Poor on {100}
Not Available
Chemical Composition
Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2 + H 2OUlrich Henn and Claudio C.
Eosphorite and Black Opal Chemical Formula
While comparing Eosphorite and Black Opal 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 Eosphorite and Black Opal chemical formula.
- Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Eosphorite and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Eosphorite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.