Boracite and Agate Opal Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.95-2.96
  
1.98-2.50
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
None
  
Not Available
  
Mohs Hardness
7-7.5
  
5.5-6.5
  
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Boracite and Agate Opal Chemical Formula
While comparing Boracite and Agate Opal 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 Agate Opal chemical formula.
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Boracite and Agate Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boracite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Boracite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.