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Howlite and Wavellite Physical Properties


Wavellite and Howlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.45-2.58   
2.36   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous   

Cleavage
None   
[110] perfect, [101] good, [010] distinct   

Mohs Hardness
3-3.5   
3.5-4   

Chemical Composition
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Howlite and Wavellite Chemical Formula

While comparing Howlite and Wavellite 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 Wavellite chemical formula.

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Howlite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Howlite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Howlite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Howlite is 2.36 whereas that of Wavellite is 2.36.

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