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Lazurite
Lazurite

Common Opal
Common Opal



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Lazurite
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Common Opal

Lazurite and Common Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.75
Uneven, Conchoidal
Imperfect on {110}
5.5
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Lazurite and Common Opal Chemical Formula

While comparing Lazurite and Common 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 Common Opal chemical formula.

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Lazurite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite Vs Common Opal during the identification of gemstone. Specific gravity of Lazurite is whereas that of Common Opal is .