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Kornerupine and Howlite Physical Properties


Howlite and Kornerupine Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.45   
2.45-2.58   

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

Cleavage
Good on {110}   
None   

Mohs Hardness
6.5   
3-3.5   

Chemical Composition
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Kornerupine and Howlite Chemical Formula

While comparing Kornerupine and Howlite 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 Kornerupine and Howlite chemical formula.

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Kornerupine and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine and Howlite Optical Properties during the identification of gemstone. Specific gravity of Kornerupine is 2.45-2.58 whereas that of Howlite is 2.45-2.58.

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Green Gemstones


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