Pyromorphite and Calcite Physical Properties
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
6.5-7.1
2.67-2.73
Fracture
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Imperfect- [10 1 1]
Perfect on [10 1 1] three directions with angle of 74° 55
Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
CaCO 3Ulrich Henn and Claudio C.
Pyromorphite and Calcite Chemical Formula
While comparing Pyromorphite and Calcite 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 Calcite chemical formula.
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
- Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Pyromorphite and Calcite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pyromorphite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.