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Friedelite and Allanite Physical Properties


Allanite and Friedelite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.06-3.19   
3.40-4.20   

Fracture
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven   
Not Available   

Cleavage
{010} Perfect   
Not Available   

Mohs Hardness
4-5   
Not Available   

Chemical Composition
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   
Not Available   

Optical Properties >>
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Friedelite and Allanite Chemical Formula

While comparing Friedelite and Allanite 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 Allanite chemical formula.

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Friedelite and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Friedelite and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Friedelite and Allanite Optical Properties during the identification of gemstone. Specific gravity of Friedelite is 3.40-4.20 whereas that of Allanite is 3.40-4.20.

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Red Gemstones


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