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Neptunite and Schorl Physical Properties


Schorl and Neptunite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.19-3.23   
3.18-3.22   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
{110} good   
{1011} Indistinct   

Mohs Hardness
5-6   
Not Available   

Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)   
Na(Fe2+3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

Optical Properties >>
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Neptunite and Schorl Chemical Formula

While comparing Neptunite and Schorl 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 Neptunite and Schorl chemical formula.

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Neptunite and Schorl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Neptunite and Schorl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Neptunite and Schorl Optical Properties during the identification of gemstone. Specific gravity of Neptunite is 3.18-3.22 whereas that of Schorl is 3.18-3.22.

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