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Anglesite and Ettringite Physical Properties


Ettringite and Anglesite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Partially soluble in water   

Durability
Not Available   
Not Available   

Specific Gravity
6.30-6.39   
1.77   

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

Cleavage
[001] good, [210] distinct   
Perfect on {10 1 0}   

Mohs Hardness
3-3.5   
2-2.5   

Chemical Composition
PbSO 4Michael 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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Anglesite and Ettringite Chemical Formula

While comparing Anglesite 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 Anglesite and Ettringite chemical formula.

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Anglesite and Ettringite Specific Gravity

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

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Green Gemstones


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