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Obsidian and Wardite Physical Properties


Wardite and Obsidian Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.35-2.60   
2.81   

Fracture
Conchoidal, ConchoidalWalter Schumann, Conchoidal   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
{001} Perfect   

Mohs Hardness
5-5.5   
4.5-5   

Chemical Composition
Not Available   
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Obsidian and Wardite Chemical Formula

While comparing Obsidian and Wardite 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 Wardite chemical formula.

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Obsidian and Wardite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Wardite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Wardite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 2.81 whereas that of Wardite is 2.81.

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