Pleonast and Ludlamite Physical Properties

Pleonast and Ludlamite Chemical Formula

While comparing Pleonast 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 Pleonast and Ludlamite chemical formula.

• Chemical formula of Pleonast- MgAl2O4
• Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pleonast and Ludlamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonast and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonast and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Pleonast is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.