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Cordierite Iolite
Cordierite Iolite

Aragonite
Aragonite



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Cordierite Iolite
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Aragonite

Cordierite Iolite and Aragonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.662.93-2.96
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Not Available
Distinct on {010}, imperfect {110} and {011}
1.7 Mohs Hardness
7-7.53.5-4
Amber
2 10
1.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite Iolite and Aragonite Chemical Formula

While comparing Cordierite Iolite and Aragonite 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 Aragonite chemical formula.

  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite Iolite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.