Home
Gemstones


Pyromorphite and Brookite Physical Properties


Brookite and Pyromorphite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.5-7.1   
3.87-4.14   

Fracture
Uneven, ConchoidalArthur Thomas, Brittle, Metallic   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Imperfect- [10 1 1]   
Poor on {120}, in traces on {001}   

Mohs Hardness
3.5-4   
5.5-6   

Chemical Composition
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
<< Astrology

Pyromorphite and Brookite Chemical Formula

While comparing Pyromorphite and Brookite 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 Brookite chemical formula.

Compare Green Gemstones

Pyromorphite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.

Green Gemstones

Green Gemstones


Compare Green Gemstones