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Amethyst
Amethyst

Erythrite
Erythrite



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Amethyst
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Erythrite

Amethyst and Erythrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in common solvents
-
2.65
Conchoidal, ConchoidalWalter Schumann
Indiscernible
7
SiO2
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Amethyst and Erythrite Chemical Formula

While comparing Amethyst 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 Amethyst and Erythrite chemical formula.

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Amethyst and Erythrite Specific Gravity

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