Dallasite and Erythrite Physical Properties

Dallasite

Erythrite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.913.06

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Dallasite and Erythrite Chemical Formula

While comparing Dallasite 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 Dallasite and Erythrite chemical formula.

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

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Dallasite and Erythrite Specific Gravity

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