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Willemite and Agate Opal Physical Properties


Agate Opal and Willemite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.89-4.18   
1.98-2.50   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
{0001}, {11 2 0} imperfect   
Not Available   

Mohs Hardness
5.5   
5.5-6.5   

Chemical Composition
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Willemite and Agate Opal Chemical Formula

While comparing Willemite and Agate Opal 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 Willemite and Agate Opal chemical formula.

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Willemite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Willemite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.

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