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Edenite and Obsidian Physical Properties


Obsidian and Edenite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.37   
2.35-2.60   

Fracture
Conchoidal, Brittle, Conchoidal   
Conchoidal, ConchoidalWalter Schumann, Conchoidal   

Cleavage
Good on (110)   
Not Available   

Mohs Hardness
5-6   
5-5.5   

Chemical Composition
NaCa2Mg5Si7AlO22(OH)2   
Not Available   

Optical Properties >>
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Edenite and Obsidian Chemical Formula

While comparing Edenite 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 Edenite and Obsidian chemical formula.

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Edenite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.

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