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White Opal
White Opal

Sugilite
Sugilite



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White Opal
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Sugilite

White Opal and Sugilite 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)
 
-
-
-
2.69-2.79
Conchoidal
Poor on {0001}
5.5-6.5
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

White Opal and Sugilite Chemical Formula

While comparing White Opal and Sugilite 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 Sugilite chemical formula.

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White Opal and Sugilite Specific Gravity

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