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Pyromorphite
Pyromorphite
☒

Obsidian
Obsidian
☒



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Pyromorphite
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Obsidian

Pyromorphite and Obsidian Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.5-7.1
Uneven, Conchoidal
Imperfect- [10 1 1]
3.5-4
Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009)
 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2

Pyromorphite and Obsidian Chemical Formula

While comparing Pyromorphite and Obsidian 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 Obsidian chemical formula.

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Pyromorphite and Obsidian Specific Gravity

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