Richterite and Erythrite Physical Properties

Richterite

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

3.0-3.53.06

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

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

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

Not Available

Co3(AsO4)2•8(H2O)

Richterite and Erythrite Chemical Formula

While comparing Richterite 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 Richterite and Erythrite chemical formula.

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

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Richterite and Erythrite Specific Gravity

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