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Gypsum
Gypsum

Pyromorphite
Pyromorphite



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Gypsum
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Pyromorphite

Gypsum and Pyromorphite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Flexible
Soluble
-
2.20-2.40
Conchoidal, Splintery, Fibrous
Perfect on {010}, distinct on {100}
2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)

Gypsum and Pyromorphite Chemical Formula

While comparing Gypsum 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 Gypsum and Pyromorphite chemical formula.

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Gypsum and Pyromorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Pyromorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum Vs Pyromorphite during the identification of gemstone. Specific gravity of Gypsum is whereas that of Pyromorphite is .