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Girasol
Girasol

Opal
Opal



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Girasol
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Opal

Girasol and Opal Physical Properties

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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)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Girasol and Opal Chemical Formula

While comparing Girasol and 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 Girasol and Opal chemical formula.

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Girasol and Opal Specific Gravity

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