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Ludlamite and Melanite Physical Properties


Melanite 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   
3.70-4.10   

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

Cleavage
Vitreous, pearly on cleavage   
Not Available   

Mohs Hardness
3-4   
6.5-7   

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Ludlamite and Melanite Chemical Formula

While comparing Ludlamite and Melanite 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 Melanite chemical formula.

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Ludlamite and Melanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Melanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Melanite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.70-4.10 whereas that of Melanite is 3.70-4.10.

Green Gemstones

Green Gemstones


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