Riebeckite and Ludlamite Physical Properties

Riebeckite and Ludlamite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Ludlamite chemical formula.

• Chemical formula of Riebeckite- Na2Fe2+3Fe3+2Si8O22(OH)2
• Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Riebeckite and Ludlamite Specific Gravity

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