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Hematite and Obsidian Physical Properties


Obsidian and Hematite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.00-5.30   
2.35-2.60   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Conchoidal, ConchoidalWalter Schumann, Conchoidal   

Cleavage
None, may show partings on {0001} and {10 1 1}   
Not Available   

Mohs Hardness
6   
5-5.5   

Chemical Composition
Fe 2O 3Arthur Thomas , Gemstones (2009)   
Not Available   

Optical Properties >>
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Hematite and Obsidian Chemical Formula

While comparing Hematite 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 Hematite and Obsidian chemical formula.

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Hematite and Obsidian Specific Gravity

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

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