Amethyst and Anorthoclase Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.56-2.62
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Indiscernible
From the Greek for oblique and fracture, descriptive of the cleavage
Chemical Composition
SiO2
(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Anorthoclase Chemical Formula
While comparing Amethyst and Anorthoclase 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 Amethyst and Anorthoclase chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Anorthoclase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.