Erythrite and Kyanite Cyprine Physical Properties

Erythrite

Kyanite Cyprine

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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

3.063.55-3.70

1 7.18

1.5 Fracture

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

Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

Not Available4-7

2 10

1.8 Chemical Composition

Co3(AsO4)2•8(H2O)

Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Erythrite and Kyanite Cyprine Chemical Formula

While comparing Erythrite and Kyanite Cyprine 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 Kyanite Cyprine chemical formula.

Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

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Erythrite and Kyanite Cyprine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Kyanite Cyprine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Kyanite Cyprine Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 3.55-3.70 whereas that of Kyanite Cyprine is 3.55-3.70.