Erythrite and Pyrite Marcasite Physical Properties

Erythrite

Pyrite Marcasite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.064.9-5.2

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

None

1.7 Mohs Hardness

Not Available6-6.5

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Not Available

Erythrite and Pyrite Marcasite Chemical Formula

While comparing Erythrite and Pyrite Marcasite 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 Pyrite Marcasite chemical formula.

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

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Erythrite and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.