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