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Cordierite
Cordierite

Simpsonite
Simpsonite



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Cordierite
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Simpsonite

Cordierite and Simpsonite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.66-9999
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

Fair on {100}, poor on {001} and {010}
None

Mohs Hardness

7-7.57-7.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Cordierite and Simpsonite Chemical Formula

While comparing Cordierite and Simpsonite 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 Simpsonite chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Cordierite and Simpsonite Specific Gravity

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