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Gaylussite
Gaylussite

Cordierite Iolite
Cordierite Iolite



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Gaylussite
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Cordierite Iolite

Gaylussite and Cordierite Iolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
decomposes in water
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.93-1.99
2.56-2.66
1.5 Fracture
Conchoidal, Conchoidal, Brittle
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
perfect [110]
Not Available
1.7 Mohs Hardness
2.5
7-7.5
1.8 Chemical Composition
Na2Ca(CO3)2•5(H2O)
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Gaylussite and Cordierite Iolite Chemical Formula

While comparing Gaylussite 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 Gaylussite and Cordierite Iolite chemical formula.

  • Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Gaylussite and Cordierite Iolite Specific Gravity

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