Simpsonite and Thomsonite Physical Properties

Simpsonite and Thomsonite Chemical Formula

While comparing Simpsonite and Thomsonite 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 Simpsonite and Thomsonite chemical formula.

• Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
• Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Simpsonite and Thomsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Simpsonite and Thomsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Thomsonite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.25-2.40 whereas that of Thomsonite is 2.25-2.40.