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Cordierite
Cordierite

Antigorite
Antigorite



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Cordierite
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Antigorite

Cordierite and Antigorite 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
 
-
-
-
2.58-2.80
Conchoidal
{001} Good
5-5.5
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Cordierite and Antigorite Chemical Formula

While comparing Cordierite and Antigorite 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 Antigorite chemical formula.

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Cordierite and Antigorite Specific Gravity

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