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Lazurite and White Opal Physical Properties


White Opal and Lazurite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.75   
1.98-2.50   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Imperfect on {110}   
Not Available   

Mohs Hardness
5.5   
5.5-6.5   

Chemical Composition
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Lazurite and White Opal Chemical Formula

While comparing Lazurite 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 Lazurite and White Opal chemical formula.

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Lazurite and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.

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