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Cordierite Iolite
Cordierite Iolite

Marcasite
Marcasite



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Cordierite Iolite
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Marcasite

Cordierite Iolite and Marcasite 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
2.56-2.664.80-4.90
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
Not Available
{010} Indistinct
1.7 Mohs Hardness
7-7.56-6.5
Amber
2 10
1.8 Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite Iolite and Marcasite Chemical Formula

While comparing Cordierite Iolite and Marcasite 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 Marcasite chemical formula.

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

Cordierite Iolite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.