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Obsidian
Obsidian

Violane
Violane



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Obsidian
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Violane

Obsidian and Violane 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
 
-
-
-
3.22-3.40
Conchoidal
Perfect
5-6
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Obsidian and Violane Chemical Formula

While comparing Obsidian and Violane 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 Violane chemical formula.

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Obsidian and Violane Specific Gravity

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