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Brazilianite
Brazilianite

White Opal
White Opal



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Brazilianite
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White Opal

Brazilianite and White Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.98-2.99
Conchoidal
(010) Distinct to good
5.5
NaAl 3(PO 4) 2(OH) 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
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.

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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 Vs White Opal during the identification of gemstone. Specific gravity of Brazilianite is whereas that of White Opal is .