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Tanzanite
Tanzanite

Obsidian
Obsidian



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Tanzanite
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Obsidian

Tanzanite and Obsidian Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
Hard
3.35
Uneven, Conchoidal
Perfect {010}, imperfect {100}
6.5-7
Ca2Al3(SiO4)3(OH)
 
-
-
-
2.35-2.60
Conchoidal, ConchoidalWalter Schumann
None
5-5.5
SiO2

Tanzanite and Obsidian Chemical Formula

While comparing Tanzanite 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 Tanzanite and Obsidian chemical formula.

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Tanzanite and Obsidian Specific Gravity

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