Erythrite and Verdelite Physical Properties

Erythrite

Verdelite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Sectile

3.06

Sectile

Perfect on {010}; poor on {100} and { 1 02}.

-9999

Co3(AsO4)2•8(H2O)

2.90-3.40

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Erythrite and Verdelite Chemical Formula

While comparing Erythrite and Verdelite 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 Erythrite and Verdelite chemical formula.

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Erythrite and Verdelite Specific Gravity

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