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Cordierite
Cordierite

Celestine
Celestine



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Cordierite
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Celestine

Cordierite and Celestine Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.57-2.663.90-4.00
Amber
1 7.18
1.5 Fracture
Subconchoidal, Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Fair on {100}, poor on {001} and {010}
Perfect on {001}, good on {210}, poor on {010}
1.7 Mohs Hardness
7-7.53-3.5
Amber
2 10
1.8 Chemical Composition
Mg2Al4Si5O18
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Celestine Chemical Formula

While comparing Cordierite and Celestine 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 Celestine chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Celestine- SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.