Kyanite Cyprine and Erythrite Physical Properties

Kyanite Cyprine

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

3.55-3.703.06

1 7.18

1.5 Fracture

Gemstones (2009)

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

4-7Not Available

2 10

1.8 Chemical Composition

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

Co3(AsO4)2•8(H2O)

Kyanite Cyprine and Erythrite Chemical Formula

While comparing Kyanite Cyprine 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 Kyanite Cyprine and Erythrite chemical formula.

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

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Kyanite Cyprine and Erythrite Specific Gravity

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