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Cordierite Iolite
Cordierite Iolite

Pezzottaite
Pezzottaite



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Cordierite Iolite
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Pezzottaite

Cordierite Iolite and Pezzottaite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.66
2.90-3.14
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Not Available
Imperfect; basal
1.7 Mohs Hardness
7-7.5
7.5-8
1.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Cordierite Iolite and Pezzottaite Chemical Formula

While comparing Cordierite Iolite and Pezzottaite 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 Cordierite Iolite and Pezzottaite chemical formula.

  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  • Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Cordierite Iolite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.