Black Opal and Tinzenite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
3.355-3.433
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
Not Available
{???} Good, {???} Good
Mohs Hardness
6-6.5
Not Available
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Black Opal and Tinzenite Chemical Formula
While comparing Black Opal and Tinzenite 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 Tinzenite chemical formula.
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
Black Opal and Tinzenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Black Opal and Tinzenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Tinzenite Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.355-3.433 whereas that of Tinzenite is 3.355-3.433.