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Ettringite and Agrellite Physical Properties


Agrellite and Ettringite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Partially soluble in water   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.77   
2.88   

Fracture
Not Available   
Not Available   

Cleavage
Perfect on {10 1 0}   
perfect [110]   

Mohs Hardness
2-2.5   
5.5   

Chemical Composition
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
NaCa2Si4O10F   

Optical Properties >>
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Ettringite and Agrellite Chemical Formula

While comparing Ettringite 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 Ettringite and Agrellite chemical formula.

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Ettringite and Agrellite Specific Gravity

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

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