Anorthoclase and Opal Physical Properties
Tenacity
Not Available
BrittleWalter Schumann
Solubility
Not Available
hot salt water
Durability
Not Available
Not Available
Specific Gravity
2.56-2.62
1.98-2.25
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
Cleavage
From the Greek for oblique and fracture, descriptive of the cleavage
None
Mohs Hardness
6-6.5
5-6.5
Chemical Composition
(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO2 · nH2O
Anorthoclase and Opal Chemical Formula
While comparing Anorthoclase and 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 Anorthoclase and Opal chemical formula.
- Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Opal- SiO2 · nH2O
Anorthoclase and Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Anorthoclase and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthoclase and Opal Optical Properties during the identification of gemstone. Specific gravity of Anorthoclase is 1.98-2.25 whereas that of Opal is 1.98-2.25.