Boracite and Topaz Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.95-2.96
3.49-3.57
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
None
[001] Perfect
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al2SiO4(F,OH)2
Boracite and Topaz Chemical Formula
While comparing Boracite and Topaz 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 Topaz chemical formula.
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Topaz- Al2SiO4(F,OH)2
Boracite and Topaz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boracite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Boracite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.