×

Cordierite
Cordierite

Pyromorphite
Pyromorphite



ADD
Compare
X
Cordierite
X
Pyromorphite

Cordierite and Pyromorphite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.57-2.666.5-7.1
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven, Conchoidal

Cleavage

Fair on {100}, poor on {001} and {010}
Imperfect- [10 1 1]

Mohs Hardness

7-7.53.5-4
2 10
👆🏻

Chemical Composition

Mg2Al4Si5O18
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cordierite and Pyromorphite Chemical Formula

While comparing Cordierite 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 Cordierite and Pyromorphite chemical formula.

  • Chemical formula of Cordierite- Mg2Al4Si5O18
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Cordierite and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cordierite and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite and Pyromorphite Optical Properties during the identification of gemstone. Specific gravity of Cordierite is 6.5-7.1 whereas that of Pyromorphite is 6.5-7.1.