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Allanite and Datolite Physical Properties


Datolite and Allanite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.40-4.20   
2.90-3.00   

Fracture
Not Available   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Not Available   
None   

Mohs Hardness
Not Available   
5-5.5   

Chemical Composition
Not Available   
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Allanite and Datolite Chemical Formula

While comparing Allanite and Datolite 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 Allanite and Datolite chemical formula.

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Allanite and Datolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Allanite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Allanite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Allanite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.

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Brown Gemstones


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