Fire Opal and Rhodolite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.97-2.22
3.84
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Conchoidal
Cleavage
Not Available
none, may show indistinct parting
Mohs Hardness
6-6.5
7-7.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Mg,Fe)3Al2Si3O12
Fire Opal and Rhodolite Chemical Formula
While comparing Fire Opal and Rhodolite 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 Fire Opal and Rhodolite chemical formula.
- Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Rhodolite- (Mg,Fe)3Al2Si3O12
Fire Opal and Rhodolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fire Opal and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 3.84 whereas that of Rhodolite is 3.84.