Oligoclase and Ludlamite Physical Properties
Specific Gravity
2.62-2.67
3.1-3.2
Cleavage
From the Greek, oligos and kasein, little cleavage.
Vitreous, pearly on cleavage
Chemical Composition
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Oligoclase and Ludlamite Chemical Formula
While comparing Oligoclase 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 Oligoclase and Ludlamite chemical formula.
- Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Oligoclase and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Oligoclase and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Oligoclase and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Oligoclase is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.