Wood Opal and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.50
2.77
Fracture
Not Available
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Not Available
Perfect [001] good [010] poor [110]
Mohs Hardness
5.5-6.5
6-6.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Wood Opal and Anorthite Chemical Formula
While comparing Wood Opal and Anorthite 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 Wood Opal and Anorthite chemical formula.
- Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Wood Opal and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Wood Opal and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 2.77 whereas that of Anorthite is 2.77.