Amethyst and Albite Physical Properties
Tenacity
Not Available
Brittle
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.60-2.65
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Cleavage
Indiscernible
Perfect on {001}, very good on {010}, imperfect on {110}
Chemical Composition
SiO2
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Albite Chemical Formula
While comparing Amethyst and Albite 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 Albite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Amethyst and Albite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Albite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.60-2.65 whereas that of Albite is 2.60-2.65.