Kyanite Cyprine and Bertrandite Physical Properties

Kyanite Cyprine

Bertrandite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.55-3.702.59-2.60

1 7.18

1.5 Fracture

Gemstones (2009)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

4-76-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Kyanite Cyprine and Bertrandite Chemical Formula

While comparing Kyanite Cyprine and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Kyanite Cyprine and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.