Papagoite and Sillimanite Physical Properties
Tenacity
Not Available
Tough
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25
3.20-3.26
Fracture
Brittle, Metallic
Splintery
Cleavage
Imperfect in one direction
{010} perfect
Mohs Hardness
5-5.5
6-7.5
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Papagoite and Sillimanite Chemical Formula
While comparing Papagoite 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 Papagoite and Sillimanite chemical formula.
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Papagoite and Sillimanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Papagoite and Sillimanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Sillimanite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 3.20-3.26 whereas that of Sillimanite is 3.20-3.26.