Amethyst and Sapphirine Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
3.40-3.58
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
Indiscernible
{010} Perfect
Chemical Composition
SiO2
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Sapphirine Chemical Formula
While comparing Amethyst and Sapphirine 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 Sapphirine chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.