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Ajoite and Howlite Physical Properties


Howlite and Ajoite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Decomposed by acids   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.96   
2.45-2.58   

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

Cleavage
Perfect on {010}   
None   

Mohs Hardness
5   
3-3.5   

Chemical Composition
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)   
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Ajoite and Howlite Chemical Formula

While comparing Ajoite 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 Ajoite and Howlite chemical formula.

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Ajoite and Howlite Specific Gravity

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

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