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Achroite and Rutile Physical Properties


Rutile and Achroite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Insoluble in acids   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.40   
4.20-4.30   

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

Cleavage
Not Available   
{110} good, 100 moderate, parting on {092} and {011}   

Mohs Hardness
7-7.5   
6-6.5   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Achroite and Rutile Chemical Formula

While comparing Achroite and Rutile 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 Achroite and Rutile chemical formula.

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Achroite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Achroite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Achroite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Achroite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.

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