Kyanite Cyprine and Proustite Physical Properties

Kyanite Cyprine

Proustite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.55-3.705.51-5.64

1 7.18

1.5 Fracture

Gemstones (2009)

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Distinct on {10 1 1}

1.7 Mohs Hardness

4-72.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Kyanite Cyprine and Proustite Chemical Formula

While comparing Kyanite Cyprine and Proustite 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 Proustite chemical formula.

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kyanite Cyprine and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Proustite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 5.51-5.64 whereas that of Proustite is 5.51-5.64.