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Jelly Opal
Jelly Opal

Sard
Sard



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Jelly Opal
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Sard

Jelly Opal and Sard 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
SiO2*nH2O
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Jelly Opal and Sard Chemical Formula

While comparing Jelly Opal and Sard 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 Jelly Opal and Sard chemical formula.

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Jelly Opal and Sard Specific Gravity

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