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Chalcedony
Chalcedony

Cordierite Iolite
Cordierite Iolite



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Chalcedony
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Cordierite Iolite

Chalcedony and Cordierite Iolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.702.56-2.66
Amber
1 7.18
1.5 Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Absent
Not Available
1.7 Mohs Hardness
6.5-77-7.5
Amber
2 10
1.8 Chemical Composition
SiO2
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Chalcedony and Cordierite Iolite Chemical Formula

While comparing Chalcedony 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 Chalcedony and Cordierite Iolite chemical formula.

  • Chemical formula of Chalcedony- SiO2
  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Chalcedony and Cordierite Iolite Specific Gravity

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