Erythrite and Amazonite Physical Properties

Erythrite

Amazonite

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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

3.06

2.55-2.57

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

Not Available

6-6.5

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

KAlSi₃O₈

Erythrite and Amazonite Chemical Formula

While comparing Erythrite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Amazonite- KAlSi₃O₈

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Erythrite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.