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Steatite
Steatite

Cordierite
Cordierite



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Steatite
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Cordierite

Steatite and Cordierite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.20-2.80
-
Perfect
-9999
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

Steatite and Cordierite Chemical Formula

While comparing Steatite and Cordierite 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 Steatite and Cordierite chemical formula.

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Steatite and Cordierite Specific Gravity

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