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Chrysoberyl and Ludlamite Physical Properties


Ludlamite and Chrysoberyl Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
3.1-3.2   

Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}   
Vitreous, pearly on cleavage   

Mohs Hardness
8.5   
3-4   

Chemical Composition
BeAl 2 O 4   
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Chrysoberyl and Ludlamite Chemical Formula

While comparing Chrysoberyl and Ludlamite 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 Chrysoberyl and Ludlamite chemical formula.

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Chrysoberyl and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.

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Green Gemstones


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