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Ludlamite and Poudretteite Physical Properties


Poudretteite and Ludlamite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.2   
2.51-2.53   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Conchoidal, Splintery   

Cleavage
Vitreous, pearly on cleavage   
None   

Mohs Hardness
3-4   
5   

Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Ludlamite and Poudretteite Chemical Formula

While comparing Ludlamite and Poudretteite 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 Poudretteite chemical formula.

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Ludlamite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ludlamite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

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