Erythrite and Ametrine Physical Properties

Erythrite

Ametrine

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.062.65

1 7.18

1.5 Fracture

Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).

Not Available

1.6 Cleavage

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

Indiscernible

1.7 Mohs Hardness

Not Available7

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

SiO₂

Erythrite and Ametrine Chemical Formula

While comparing Erythrite and Ametrine 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 Ametrine chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Ametrine- SiO₂

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Erythrite and Ametrine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Ametrine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Ametrine Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.65 whereas that of Ametrine is 2.65.