Ludlamite and Moonstone Physical Properties
Specific Gravity
3.1-3.2
2.56-2.60
Fracture
-
Uneven, ConchoidalWalter Schumann
Cleavage
Vitreous, pearly on cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Ludlamite and Moonstone Chemical Formula
While comparing Ludlamite and Moonstone 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 Moonstone 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 Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Ludlamite and Moonstone Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.