Sylvite and Erythrite Physical Properties

Sylvite

Erythrite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.06

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.5Not Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Sylvite and Erythrite Chemical Formula

While comparing Sylvite 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 Sylvite and Erythrite chemical formula.

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

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Sylvite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 3.06 whereas that of Erythrite is 3.06.