Sanidine and Common Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.54-2.61
1.98-2.50
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
{001} Perfect, {010} Good
Not Available
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Sanidine and Common Opal Chemical Formula
While comparing Sanidine and Common 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 Sanidine and Common Opal chemical formula.
- Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Sanidine and Common Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sanidine and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sanidine and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Sanidine is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.