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