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Cordierite
Cordierite

Matrix Opal
Matrix Opal



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Cordierite
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Matrix Opal

Cordierite and Matrix Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.661.98-2.50
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

7-7.55.5-6.5
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
SiO2·nH2O

Cordierite and Matrix Opal Chemical Formula

While comparing Cordierite and Matrix Opal 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 Matrix Opal chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Matrix Opal- SiO2·nH2O

Cordierite and Matrix Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Matrix Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Matrix Opal Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 1.98-2.50 whereas that of Matrix Opal is 1.98-2.50.