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Schorl and Allanite Physical Properties


Allanite and Schorl Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.18-3.22   
3.40-4.20   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Not Available   

Cleavage
{1011} Indistinct   
Not Available   

Mohs Hardness
Not Available   
Not Available   

Chemical Composition
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
Not Available   

Optical Properties >>
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Schorl and Allanite Chemical Formula

While comparing Schorl and Allanite 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 Schorl and Allanite chemical formula.

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Schorl and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Schorl and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Schorl and Allanite Optical Properties during the identification of gemstone. Specific gravity of Schorl is 3.40-4.20 whereas that of Allanite is 3.40-4.20.

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Black Gemstones


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