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Obsidian
Obsidian

Rutile
Rutile



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Obsidian
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Rutile

Obsidian and Rutile 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
 
-
Insoluble in acids
-
4.20-4.30
Uneven, Conchoidal
{110} good, 100 moderate, parting on {092} and {011}
6-6.5
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Obsidian and Rutile Chemical Formula

While comparing Obsidian and Rutile 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 Rutile chemical formula.

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Obsidian and Rutile Specific Gravity

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