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