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Sard and Legrandite Physical Properties


Legrandite and Sard Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.63   
3.98-4.04   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle   

Cleavage
Not Available   
Imperfect, poor one {100}   

Mohs Hardness
6.5-7   
4.5-5   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sard and Legrandite Chemical Formula

While comparing Sard and Legrandite 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 Sard and Legrandite chemical formula.

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Sard and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Sard is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.

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