Chrome-Chalcedony and Pyromorphite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.55-2.70
6.5-7.1
Fracture
Not Available
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Cleavage
Not Available
Imperfect- [10 1 1]
Mohs Hardness
6.5-7
3.5-4
Chemical Composition
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chrome-Chalcedony and Pyromorphite Chemical Formula
While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Pyromorphite chemical formula.
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Chrome-Chalcedony and Pyromorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.