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Marialite and Legrandite Physical Properties


Legrandite and Marialite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.50   
3.98-4.04   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle   

Cleavage
Distinct on {100} and {110}   
Imperfect, poor one {100}   

Mohs Hardness
5.5-6   
4.5-5   

Chemical Composition
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)   
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Marialite and Legrandite Chemical Formula

While comparing Marialite 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 Marialite and Legrandite chemical formula.

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Marialite and Legrandite Specific Gravity

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

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