Brazilianite and White Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.98-2.99
1.98-2.50
Fracture
Conchoidal, Gems
Conchoidal, Conchoidal, Gemstones of the world (2001)
Cleavage
(010) Distinct to good
Not Available
Mohs Hardness
5.5
5.5-6.5
Chemical Composition
NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Brazilianite and White Opal Chemical Formula
While comparing Brazilianite and White 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 Brazilianite and White Opal chemical formula.
- Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Brazilianite and White Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Brazilianite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.