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Zircon
Zircon

Pyromorphite
Pyromorphite



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Zircon
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Pyromorphite

Zircon and Pyromorphite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

insoluble
-

Durability

-
-

Specific Gravity

3.93-4.736.5-7.1
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, Conchoidal

Cleavage

{110} and {111}
Imperfect- [10 1 1]

Mohs Hardness

7.53.5-4
2 10
👆🏻

Chemical Composition

ZrSiO4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Zircon and Pyromorphite Chemical Formula

While comparing Zircon 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 Zircon and Pyromorphite chemical formula.

  • Chemical formula of Zircon- ZrSiO4
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Zircon and Pyromorphite Specific Gravity

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