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Hibonite
Hibonite

Pyromorphite
Pyromorphite



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Hibonite
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Pyromorphite

Hibonite and Pyromorphite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.846.5-7.1
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven, Conchoidal

Cleavage

{0001} good, {10 1 0} parting
Imperfect- [10 1 1]

Mohs Hardness

7.5-83.5-4
2 10
👆🏻

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.