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Ettringite and Magnesite Physical Properties


Magnesite and Ettringite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Partially soluble in water   
Effervesces in hot HCl   

Durability
Not Available   
Not Available   

Specific Gravity
1.77   
2.92-3.12   

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

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

Mohs Hardness
2-2.5   
3.5-4.5   

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

Optical Properties >>
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Ettringite and Magnesite Chemical Formula

While comparing Ettringite and Magnesite 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 Magnesite chemical formula.

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Ettringite and Magnesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ettringite and Magnesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ettringite and Magnesite Optical Properties during the identification of gemstone. Specific gravity of Ettringite is 2.92-3.12 whereas that of Magnesite is 2.92-3.12.

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