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Smithsonite and Brookite Physical Properties


Brookite and Smithsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.65   
3.87-4.14   

Fracture
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Perfect on [1011]   
Poor on {120}, in traces on {001}   

Mohs Hardness
5-5.5   
5.5-6   

Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Smithsonite and Brookite Chemical Formula

While comparing Smithsonite and Brookite 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 Brookite chemical formula.

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Smithsonite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smithsonite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.

Green Gemstones

Green Gemstones


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