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Topazolite and Howlite Physical Properties


Howlite and Topazolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
2.45-2.58   

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

Cleavage
Not Available   
None   

Mohs Hardness
6.5-7   
3-3.5   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Topazolite and Howlite Chemical Formula

While comparing Topazolite 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 Topazolite and Howlite chemical formula.

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Topazolite and Howlite Specific Gravity

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

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