Celestine and Pyromorphite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.90-4.00
6.5-7.1
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Imperfect- [10 1 1]
Mohs Hardness
3-3.5
3.5-4
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Celestine and Pyromorphite Chemical Formula
While comparing Celestine 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 Celestine and Pyromorphite chemical formula.
- Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Celestine and Pyromorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Celestine and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.