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Opal
Opal

Andradite Garnet
Andradite Garnet



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Opal
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Andradite Garnet

Opal and Andradite Garnet Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
-
-
-
3.8-3.9
-
None
6.5-7.5
Ca3Fe3+2Si3O12

Opal and Andradite Garnet Chemical Formula

While comparing Opal and Andradite Garnet 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 Opal and Andradite Garnet chemical formula.

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Opal and Andradite Garnet Specific Gravity

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