White Opal and Brucite Physical Properties
Tenacity
Not Available
Sectile
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.98-2.50
2.39
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Irregular
Cleavage
Not Available
Perfect on {0001}
Mohs Hardness
5.5-6.5
2.5
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
White Opal and Brucite Chemical Formula
While comparing White Opal and Brucite 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 White Opal and Brucite chemical formula.
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Brucite- Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
White Opal and Brucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is White Opal and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Brucite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 2.39 whereas that of Brucite is 2.39.