Riesling Beryl and Sillimanite Physical Properties
Tenacity
Not Available
Tough
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.66-2.86
3.20-3.26
Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Splintery
Cleavage
Not Available
{010} perfect
Mohs Hardness
7.5-8
6-7.5
Chemical Composition
Al 2Be 3Si 6O 18Martin H.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Riesling Beryl and Sillimanite Chemical Formula
While comparing Riesling Beryl 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 Riesling Beryl and Sillimanite chemical formula.
- Chemical formula of Riesling Beryl- Al 2Be 3Si 6O 18Martin H.
- Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Riesling Beryl and Sillimanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Riesling Beryl and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riesling Beryl and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Riesling Beryl is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.