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Ludlamite and Gahnospinel Physical Properties


Gahnospinel and Ludlamite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.2   
3.65-4.55   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Vitreous, pearly on cleavage   
None, but may exhibit slight parting   

Mohs Hardness
3-4   
7.5-8   

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Ludlamite and Gahnospinel Chemical Formula

While comparing Ludlamite and Gahnospinel 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 Ludlamite and Gahnospinel chemical formula.

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Ludlamite and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.

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Green Gemstones


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