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Holmquistite
Holmquistite

Cordierite Iolite
Cordierite Iolite



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Holmquistite
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Cordierite Iolite

Holmquistite and Cordierite Iolite 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
2.95-3.132.56-2.66
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{210} Perfect
Not Available
1.7 Mohs Hardness
5-67-7.5
Amber
2 10
1.8 Chemical Composition
Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Holmquistite and Cordierite Iolite Chemical Formula

While comparing Holmquistite and Cordierite Iolite 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 Holmquistite and Cordierite Iolite chemical formula.

  • Chemical formula of Holmquistite- Li 2[(Mg,Fe2+ ) 3Al 2]Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Holmquistite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Holmquistite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Holmquistite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Holmquistite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.