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Cordierite Iolite
Cordierite Iolite

Coral
Coral



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Cordierite Iolite
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Coral

Cordierite Iolite and Coral Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.56-2.662.60-2.70
1 7.18
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Fracture

Uneven, ConchoidalWalter Schumann
Irregular

Cleavage

Distinct
None

Mohs Hardness

7-7.53-4
2 10
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Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
CaCO 3Ulrich Henn and Claudio C.

Cordierite Iolite and Coral Chemical Formula

While comparing Cordierite Iolite and Coral 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 Coral chemical formula.

  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  • Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

Cordierite Iolite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Coral Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 2.60-2.70 whereas that of Coral is 2.60-2.70.