Amethyst and Boracite Physical Properties
Tenacity
Not Available
Brittle
Solubility
insoluble in common solvents
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.65
2.95-2.96
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Indiscernible
None
Chemical Composition
SiO2
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Boracite Chemical Formula
While comparing Amethyst and Boracite 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 Boracite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Boracite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Boracite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.95-2.96 whereas that of Boracite is 2.95-2.96.