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Willemite and Aragonite Physical Properties


Aragonite and Willemite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Dilute acid   

Durability
Not Available   
Not Available   

Specific Gravity
3.89-4.18   
2.93-2.96   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
{0001}, {11 2 0} imperfect   
Distinct on {010}, imperfect {110} and {011}   

Mohs Hardness
5.5   
3.5-4   

Chemical Composition
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Willemite and Aragonite Chemical Formula

While comparing Willemite and Aragonite 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 Aragonite chemical formula.

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Willemite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Willemite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.

Red Gemstones

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