Sillimanite and Larimar Physical Properties

Sillimanite and Larimar Chemical Formula

While comparing Sillimanite and Larimar 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 Sillimanite and Larimar chemical formula.

• Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Larimar- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.

Sillimanite and Larimar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Larimar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Larimar Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 2.74-2.90 whereas that of Larimar is 2.74-2.90.