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Obsidian
Obsidian

Omphacite
Omphacite



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Obsidian
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Omphacite

Obsidian and Omphacite 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
 
-
-
-
3.16-3.43
Uneven, Conchoidal
{110} Good, {110} Good
5-6
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Obsidian and Omphacite Chemical Formula

While comparing Obsidian and Omphacite 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 Omphacite chemical formula.

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Obsidian and Omphacite Specific Gravity

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