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Hessonite and Ettringite Physical Properties


Ettringite and Hessonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
3.55-3.73   
1.77   

Fracture
Uneven   
Not Available   

Cleavage
Not Available   
Perfect on {10 1 0}   

Mohs Hardness
7-7.5   
2-2.5   

Chemical Composition
Not Available   
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Hessonite and Ettringite Chemical Formula

While comparing Hessonite and Ettringite 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 Hessonite and Ettringite chemical formula.

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Hessonite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hessonite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hessonite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Hessonite is 1.77 whereas that of Ettringite is 1.77.

Brown Gemstones

Brown Gemstones


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