Grandidierite and Kyanite Cyprine Physical Properties

Grandidierite

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

2.85-3.003.55-3.70

1 7.18

1.5 Fracture

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

Gemstones (2009)

1.6 Cleavage

Perfect

Not Available

1.7 Mohs Hardness

7.54-7

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

Grandidierite and Kyanite Cyprine Chemical Formula

While comparing Grandidierite 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 Grandidierite and Kyanite Cyprine chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

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Grandidierite and Kyanite Cyprine Specific Gravity

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