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Friedelite and Legrandite Physical Properties


Legrandite and Friedelite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.06-3.19   
3.98-4.04   

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

Cleavage
{010} Perfect   
Imperfect, poor one {100}   

Mohs Hardness
4-5   
4.5-5   

Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich 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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Friedelite and Legrandite Chemical Formula

While comparing Friedelite 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 Friedelite and Legrandite chemical formula.

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Friedelite and Legrandite Specific Gravity

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

Red Gemstones

Red Gemstones


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