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Obsidian
Obsidian

Sylvite
Sylvite



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Obsidian
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Sylvite

Obsidian and Sylvite Physical Properties

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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
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Obsidian and Sylvite Chemical Formula

While comparing Obsidian and Sylvite 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 Sylvite chemical formula.

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Obsidian and Sylvite Specific Gravity

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