Crystal Quartz and Sillimanite Physical Properties
Tenacity
Not Available
Tough
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
Not Available
3.20-3.26
Fracture
Not Available
Splintery
Cleavage
Not Available
{010} perfect
Chemical Composition
Not Available
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Crystal Quartz and Sillimanite Chemical Formula
While comparing Crystal Quartz and Sillimanite 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 Crystal Quartz and Sillimanite chemical formula.
>- Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Crystal Quartz and Sillimanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.