Marble and Ludlamite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.1-3.2
Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
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Vitreous, pearly on cleavage
Mohs Hardness
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3-4
Chemical Composition
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(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Marble and Ludlamite Chemical Formula
While comparing Marble 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 Marble and Ludlamite chemical formula.
>- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Marble and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Marble and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Marble and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Marble is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.