Erythrite and Ammolite Physical Properties

Erythrite

Ammolite

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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

3.062.75-2.80

1 7.18

1.5 Fracture

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

Uneven, Granular

1.6 Cleavage

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

no true cleavage

1.7 Mohs Hardness

Not Available4

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Not Available

Erythrite and Ammolite Chemical Formula

While comparing Erythrite and Ammolite 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 Ammolite chemical formula.

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

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Erythrite and Ammolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Ammolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Ammolite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.75-2.80 whereas that of Ammolite is 2.75-2.80.