Londonite and Kyanite Cyprine Physical Properties

Londonite

Kyanite Cyprine

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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

3.343.55-3.70

1 7.18

1.5 Fracture

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

Gemstones (2009)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available4-7

2 10

1.8 Chemical Composition

(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)

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

Londonite and Kyanite Cyprine Chemical Formula

While comparing Londonite 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 Londonite and Kyanite Cyprine chemical formula.

Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

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Londonite and Kyanite Cyprine Specific Gravity

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