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