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Cordierite
Cordierite

Danburite
Danburite



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Cordierite
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Danburite

Cordierite and Danburite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18
 
Brittle
-
-
2.97-3.03
Uneven, ConchoidalWalter Schumann, Conchoidal
{001} Poor
7
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Cordierite and Danburite Chemical Formula

While comparing Cordierite and Danburite 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 Danburite chemical formula.

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Cordierite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Vs Danburite during the identification of gemstone. Specific gravity of Cordierite is whereas that of Danburite is .