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Chalcedony and Wardite Physical Properties


Wardite and Chalcedony Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
2.81   

Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Absent   
{001} Perfect   

Mohs Hardness
6.5-7   
4.5-5   

Chemical Composition
SiO2   
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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Chalcedony and Wardite Chemical Formula

While comparing Chalcedony 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 Chalcedony and Wardite chemical formula.

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Chalcedony and Wardite Specific Gravity

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

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