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Apatite
Apatite

Cordierite Iolite
Cordierite Iolite



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Apatite
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Cordierite Iolite

Apatite 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
3.16-3.232.56-2.66
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
[0001] indistinct, [1010] indistinct
Not Available
1.7 Mohs Hardness
57-7.5
Amber
2 10
1.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Apatite and Cordierite Iolite Chemical Formula

While comparing Apatite 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 Apatite and Cordierite Iolite chemical formula.

  • Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Apatite and Cordierite Iolite Specific Gravity

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