Erythrite and Piemontite Physical Properties

Erythrite

Piemontite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.06

Not Available

1.5 Fracture

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

Uneven, Splintery

1.6 Cleavage

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

[001] good, [100] distinct

1.7 Mohs Hardness

Not Available

6-6.5

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Not Available

Erythrite and Piemontite Chemical Formula

While comparing Erythrite and Piemontite 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 Piemontite chemical formula.

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

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Erythrite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is Not Available whereas that of Piemontite is Not Available.