Black Opal and Ceylonite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
none
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
3.63-3.9
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
Not Available
Indistinct
Mohs Hardness
6-6.5
7.5-8
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Black Opal and Ceylonite Chemical Formula
While comparing Black Opal and Ceylonite 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 Black Opal and Ceylonite chemical formula.
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Black Opal and Ceylonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Black Opal and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.