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Smithsonite and Fire Opal Physical Properties


Fire Opal and Smithsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.65   
1.97-2.22   

Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Perfect on [1011]   
Not Available   

Mohs Hardness
5-5.5   
6-6.5   

Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Smithsonite and Fire Opal Chemical Formula

While comparing Smithsonite and Fire 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 Smithsonite and Fire Opal chemical formula.

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Smithsonite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.

Green Gemstones

Green Gemstones


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