×

Pyromorphite
Pyromorphite

Austinite
Austinite



ADD
Compare
X
Pyromorphite
X
Austinite

Pyromorphite and Austinite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

6.5-7.14.12
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven

Cleavage

Imperfect- [10 1 1]
Good in two directions parallel to the prism faces {110}

Mohs Hardness

3.5-44-4.5
2 10
👆🏻

Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
CaZn(AsO4)(OH)

Pyromorphite and Austinite Chemical Formula

While comparing Pyromorphite and Austinite 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 Austinite chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Pyromorphite and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Austinite Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 4.12 whereas that of Austinite is 4.12.