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Cordierite Iolite
Cordierite Iolite

Spodumene
Spodumene



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Cordierite Iolite
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Spodumene

Cordierite Iolite and Spodumene Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.66
3.15-3.21
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Subconchoidal, Gemstones (2009)
1.6 Cleavage
Not Available
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
1.7 Mohs Hardness
7-7.5
6-7
1.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
LiAlSi2O6

Cordierite Iolite and Spodumene Chemical Formula

While comparing Cordierite Iolite and Spodumene 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 Spodumene chemical formula.

  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  • Chemical formula of Spodumene- LiAlSi2O6

Cordierite Iolite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.