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Verdite and Ettringite Physical Properties


Ettringite and Verdite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-3.0   
1.77   

Fracture
Not Available   
Not Available   

Cleavage
{110} Good   
Perfect on {10 1 0}   

Mohs Hardness
3   
2-2.5   

Chemical Composition
NaFeS2•2(H2O)   
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Verdite and Ettringite Chemical Formula

While comparing Verdite 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 Verdite and Ettringite chemical formula.

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Verdite and Ettringite Specific Gravity

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

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