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Cordierite and Strontianite Physical Properties


Strontianite and Cordierite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.57-2.66   
3.63-3.79   

Fracture
Subconchoidal, Conchoidal, Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Fair on {100}, poor on {001} and {010}   
{110} Good   

Mohs Hardness
7-7.5   
3.5   

Chemical Composition
Mg2Al4Si5O18   
SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Cordierite and Strontianite Chemical Formula

While comparing Cordierite and Strontianite 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 Strontianite chemical formula.

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Cordierite and Strontianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Strontianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Strontianite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 3.63-3.79 whereas that of Strontianite is 3.63-3.79.

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