Hibonite and Pyromorphite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.84
6.5-7.1
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, ConchoidalArthur Thomas, Brittle, Metallic
Cleavage
{0001} good, {10 1 0} parting
Imperfect- [10 1 1]
Mohs Hardness
7.5-8
3.5-4
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Hibonite and Pyromorphite Chemical Formula
While comparing Hibonite 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 Hibonite and Pyromorphite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Hibonite and Pyromorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.