Muscovite and Ludlamite Physical Properties
Specific Gravity
2.78-2.88
3.1-3.2
Cleavage
Perfect on the {001}
Vitreous, pearly on cleavage
Chemical Composition
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Muscovite and Ludlamite Chemical Formula
While comparing Muscovite 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 Muscovite and Ludlamite chemical formula.
- Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Muscovite and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Muscovite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.