Emerald and Ludlamite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
2.67-2.78
3.1-3.2
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
Imperfect on the [0001]
Vitreous, pearly on cleavage
Chemical Composition
Be3Al2SiO6
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Ludlamite Chemical Formula
While comparing Emerald 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 Emerald and Ludlamite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Emerald and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.
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