Kyanite Cyprine and Elbaite Physical Properties

Kyanite Cyprine

Elbaite

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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

3.55-3.702.90-3.10

1 7.18

1.5 Fracture

Gemstones (2009)

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Not Available

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

4-77

2 10

1.8 Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Kyanite Cyprine and Elbaite Chemical Formula

While comparing Kyanite Cyprine and Elbaite 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 Elbaite chemical formula.

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

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Kyanite Cyprine and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite Cyprine and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite Cyprine and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Kyanite Cyprine is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.