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Petalite
Petalite

Kyanite Cyprine
Kyanite Cyprine



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Petalite
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Kyanite Cyprine

Petalite and Kyanite Cyprine Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.403.55-3.70
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Gemstones (2009)
1.6 Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Not Available
1.7 Mohs Hardness
6-6.54-7
Amber
2 10
1.8 Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Petalite and Kyanite Cyprine Chemical Formula

While comparing Petalite 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 Petalite and Kyanite Cyprine chemical formula.

  • Chemical formula of Petalite- LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

Petalite and Kyanite Cyprine Specific Gravity

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