Boracite and Gahnospinel Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.95-2.96
3.65-4.55
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
None
None, but may exhibit slight parting
Mohs Hardness
7-7.5
7.5-8
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Boracite and Gahnospinel Chemical Formula
While comparing Boracite and Gahnospinel 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 Gahnospinel chemical formula.
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Boracite and Gahnospinel Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boracite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Boracite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.