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Pyromorphite
Pyromorphite

Beryl
Beryl



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Pyromorphite
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Beryl

Pyromorphite and Beryl Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

6.5-7.12.60-2.90
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven, Conchoidal, Irregular

Cleavage

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

Mohs Hardness

3.5-47.5-8
2 10
👆🏻

Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
Be3Al2Si6O18

Pyromorphite and Beryl Chemical Formula

While comparing Pyromorphite and Beryl 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 Beryl chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Beryl- Be3Al2Si6O18

Pyromorphite and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Beryl Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.60-2.90 whereas that of Beryl is 2.60-2.90.