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Legrandite and Anorthite Physical Properties


Anorthite and Legrandite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.98-4.04   
2.77   

Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Imperfect, poor one {100}   
Perfect [001] good [010] poor [110]   

Mohs Hardness
4.5-5   
6-6.5   

Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Legrandite and Anorthite Chemical Formula

While comparing Legrandite and Anorthite 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 Anorthite chemical formula.

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Legrandite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 2.77 whereas that of Anorthite is 2.77.

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Yellow Gemstones


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