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Cordierite
Cordierite

Fluorapatite
Fluorapatite



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Cordierite
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Fluorapatite

Cordierite and Fluorapatite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.57-2.663.1-3.25
Amber
1 7.18
1.5 Fracture
Subconchoidal, Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
Fair on {100}, poor on {001} and {010}
Indistinct
1.7 Mohs Hardness
7-7.55
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Cordierite and Fluorapatite Chemical Formula

While comparing Cordierite and Fluorapatite 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 and Fluorapatite chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Cordierite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.