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