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White Opal
White Opal

Lapis lazuli
Lapis lazuli



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White Opal
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Lapis lazuli

White Opal and Lapis lazuli Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
2.50-3.00
Uneven-Conchoidal, ConchoidalWalter Schumann
3,6
5.5
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

White Opal and Lapis lazuli Chemical Formula

While comparing White Opal and Lapis lazuli 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 Lapis lazuli chemical formula.

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White Opal and Lapis lazuli Specific Gravity

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