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Umbalite
Umbalite

Obsidian
Obsidian



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Umbalite
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Obsidian

Umbalite and Obsidian Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.62-4.33
Uneven
Indiscernible
7-7.5
Mg 3Al 2(SiO 4) 3 -Mn2+3Al 2(SiO 4) 3Gemdat.org , Management Team (2012)
 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2

Umbalite and Obsidian Chemical Formula

While comparing Umbalite 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 Umbalite and Obsidian chemical formula.

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Umbalite and Obsidian Specific Gravity

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