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Precious Opal
Precious Opal

Erythrite
Erythrite



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Precious Opal
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Erythrite

Precious Opal and Erythrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Precious Opal and Erythrite Chemical Formula

While comparing Precious Opal and Erythrite 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 Precious Opal and Erythrite chemical formula.

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Precious Opal and Erythrite Specific Gravity

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