Black Opal and Garnet Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
3.55-4.33
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Uneven
Cleavage
Not Available
Indistinct
Mohs Hardness
6-6.5
6.5-7.5
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Garnet is a series of several different minerals with unique chemical formulas.
Black Opal and Garnet Chemical Formula
While comparing Black Opal and Garnet 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 Garnet chemical formula.
- Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
Black Opal and Garnet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Black Opal and Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Garnet Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 3.55-4.33 whereas that of Garnet is 3.55-4.33.