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Obsidian
Obsidian

Plumbogummite
Plumbogummite



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Obsidian
X
Plumbogummite

Obsidian and Plumbogummite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2
 
Brittle
Soluble
-
4.014
Uneven, Conchoidal
None
4-5
PbAl3(PO4)(SO4)(OH)6

Obsidian and Plumbogummite Chemical Formula

While comparing Obsidian and Plumbogummite 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 Obsidian and Plumbogummite chemical formula.

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Obsidian and Plumbogummite Specific Gravity

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