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Weloganite
Weloganite

Pyromorphite
Pyromorphite



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Weloganite
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Pyromorphite

Weloganite and Pyromorphite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.20-3.226.5-7.1
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Conchoidal

Cleavage

Perfect on pseudo {0001}
Imperfect- [10 1 1]

Mohs Hardness

33.5-4
2 10
👆🏻

Chemical Composition

Na2SrZrSi6O17(OH)3·3H2O
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Weloganite and Pyromorphite Chemical Formula

While comparing Weloganite 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 Weloganite and Pyromorphite chemical formula.

  • Chemical formula of Weloganite- Na2SrZrSi6O17(OH)3·3H2O
  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Weloganite and Pyromorphite Specific Gravity

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