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Brookite and Papagoite Physical Properties


Papagoite and Brookite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.87-4.14   
3.25   

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

Cleavage
Poor on {120}, in traces on {001}   
Imperfect in one direction   

Mohs Hardness
5.5-6   
5-5.5   

Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Brookite and Papagoite Chemical Formula

While comparing Brookite and Papagoite 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 Brookite and Papagoite chemical formula.

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Brookite and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.25 whereas that of Papagoite is 3.25.

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