Helenite and Erythrite Physical Properties

Helenite

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

Not Available3.06

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

Not AvailableNot Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Helenite and Erythrite Chemical Formula

While comparing Helenite 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 Helenite and Erythrite chemical formula.

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

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Helenite and Erythrite Specific Gravity

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