Pyromorphite and Phenakite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
6.5-7.1
2.90-2.98
Fracture
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Cleavage
Imperfect- [10 1 1]
Distinct on {11 2 0}, imperfect on {10 1 1}
Mohs Hardness
3.5-4
7.5-8
Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyromorphite and Phenakite Chemical Formula
While comparing Pyromorphite and Phenakite 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 Pyromorphite and Phenakite chemical formula.
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pyromorphite and Phenakite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyromorphite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.