Pearl and Boracite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.60-2.85
2.95-2.96
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Mohs Hardness
2.5-4.5
7-7.5
Chemical Composition
Not Available
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pearl and Boracite Chemical Formula
While comparing Pearl 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 Pearl and Boracite chemical formula.
>- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pearl and Boracite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Boracite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.95-2.96 whereas that of Boracite is 2.95-2.96.