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Sard and Agrellite Physical Properties


Agrellite and Sard Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.63   
2.88   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Not Available   
perfect [110]   

Mohs Hardness
6.5-7   
5.5   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
NaCa2Si4O10F   

Optical Properties >>
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Sard and Agrellite Chemical Formula

While comparing Sard and Agrellite 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 Sard and Agrellite chemical formula.

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Sard and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Sard is 2.88 whereas that of Agrellite is 2.88.

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