Mellite and Ludlamite Physical Properties

Mellite and Ludlamite Chemical Formula

While comparing Mellite 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 Mellite and Ludlamite chemical formula.

• Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
• Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mellite and Ludlamite Specific Gravity

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