Papagoite and Petalite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.25
2.40
Fracture
Brittle, Metallic
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Cleavage
Imperfect in one direction
Perfect on {001}, poor on {201} with 38.5° angle between the two
Mohs Hardness
5-5.5
6-6.5
Chemical Composition
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Papagoite and Petalite Chemical Formula
While comparing Papagoite and Petalite 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 Petalite chemical formula.
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Papagoite and Petalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Papagoite and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Papagoite and Petalite Optical Properties during the identification of gemstone. Specific gravity of Papagoite is 2.40 whereas that of Petalite is 2.40.