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Howlite and Cymophane Physical Properties


Cymophane and Howlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.58   
3.69-3.81   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Not Available   

Cleavage
None   
Not Available   

Mohs Hardness
3-3.5   
8.5   

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

Optical Properties >>
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Howlite and Cymophane Chemical Formula

While comparing Howlite and Cymophane 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 Howlite and Cymophane chemical formula.

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Howlite and Cymophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Cymophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Cymophane Optical Properties during the identification of gemstone. Specific gravity of Howlite is 3.69-3.81 whereas that of Cymophane is 3.69-3.81.

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