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Legrandite and Sylvite Physical Properties


Sylvite and Legrandite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.98-4.04   
1.993   

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

Cleavage
Imperfect, poor one {100}   
Perfect on [100], [010], [001]   

Mohs Hardness
4.5-5   
2.5   

Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Legrandite and Sylvite Chemical Formula

While comparing Legrandite and Sylvite 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 Legrandite and Sylvite chemical formula.

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Legrandite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 1.993 whereas that of Sylvite is 1.993.

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