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Almandine and Aegirine Physical Properties


Aegirine and Almandine Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.30   
3.50-3.60   

Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   

Cleavage
none   
Good on {110}, (110) ^ (1 1 0) ≈87°; parting on {100}   

Mohs Hardness
7-7.5   
6   

Chemical Composition
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.   

Optical Properties >>
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Almandine and Aegirine Chemical Formula

While comparing Almandine and Aegirine 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 Almandine and Aegirine chemical formula.

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Almandine and Aegirine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Aegirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Aegirine Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.50-3.60 whereas that of Aegirine is 3.50-3.60.

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