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White Opal
White Opal

Erythrite
Erythrite



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White Opal
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Erythrite

White Opal and Erythrite 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)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

White Opal and Erythrite Chemical Formula

While comparing White 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 White Opal and Erythrite chemical formula.

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White Opal and Erythrite Specific Gravity

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