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Leucite and Ettringite Physical Properties


Ettringite and Leucite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.50   
1.77   

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

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

Mohs Hardness
5.5-6   
2-2.5   

Chemical Composition
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Leucite and Ettringite Chemical Formula

While comparing Leucite 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 Leucite and Ettringite chemical formula.

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Leucite and Ettringite Specific Gravity

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

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