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Cordierite Iolite
Cordierite Iolite

Erythrite
Erythrite



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Cordierite Iolite
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Erythrite

Cordierite Iolite and Erythrite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.663.06
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
1.6 Cleavage
Not Available
Perfect on {010}; poor on {100} and { 1 02}.
1.7 Mohs Hardness
7-7.5Not Available
Amber
2 10
1.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Co3(AsO4)2•8(H2O)

Cordierite Iolite and Erythrite Chemical Formula

While comparing Cordierite Iolite and Erythrite 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 Erythrite chemical formula.

  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  • Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)

Cordierite Iolite and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.06 whereas that of Erythrite is 3.06.