Fire Opal and Microlite Physical Properties
Specific Gravity
1.97-2.22
5.5
Fracture
Conchoidal
Conchoidal
Cleavage
None
{111} Indistinct, {111} Indistinct, {111} Indistinct
Mohs Hardness
6-6.5
5-5.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fire Opal and Microlite Chemical Formula
While comparing Fire Opal and Microlite 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 Microlite chemical formula.
- Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fire Opal and Microlite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fire Opal and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Microlite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 5.5 whereas that of Microlite is 5.5.