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Pyromorphite
Pyromorphite

Andesine
Andesine



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Pyromorphite
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Andesine

Pyromorphite and Andesine Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

6.5-7.12.65-2.69
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Uneven, Conchoidal

Cleavage

Imperfect- [10 1 1]
Perfect on {001}, good on {010}

Mohs Hardness

3.5-46-6.5
2 10
👆🏻

Chemical Composition

Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
(Na,Ca)Al1-2Si3-2O8

Pyromorphite and Andesine Chemical Formula

While comparing Pyromorphite and Andesine 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 Andesine chemical formula.

  • Chemical formula of Pyromorphite- Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8

Pyromorphite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyromorphite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyromorphite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Pyromorphite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.