Ludlamite and Sapphire Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
3.95-4.03
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Vitreous, pearly on cleavage
None, but may exhibit parting
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3
Ludlamite and Sapphire Chemical Formula
While comparing Ludlamite and Sapphire 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 Sapphire chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Sapphire- Al 2 O 3
Ludlamite and Sapphire Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.