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Chalcedony
Chalcedony

Erythrite
Erythrite



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Chalcedony
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Erythrite

Chalcedony and Erythrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Chalcedony and Erythrite Chemical Formula

While comparing Chalcedony 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 Chalcedony and Erythrite chemical formula.

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Chalcedony and Erythrite Specific Gravity

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