Sillimanite and Boleite Physical Properties

Sillimanite and Boleite Chemical Formula

While comparing Sillimanite and Boleite 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 Boleite chemical formula.

• Chemical formula of Sillimanite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth Edition (2006)
• Chemical formula of Boleite- Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Sillimanite and Boleite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sillimanite and Boleite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sillimanite and Boleite Optical Properties during the identification of gemstone. Specific gravity of Sillimanite is 5.05 whereas that of Boleite is 5.05.