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Sphene
Sphene

Afghanite
Afghanite



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Sphene
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Sphene and Afghanite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
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Not Available
1.3 Durability
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Not Available
1.4 Specific Gravity
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2.55-2.65
1.5 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Not Available
Perfect {10 1 0}
1.7 Mohs Hardness
Not Available
5.5-6
1.8 Chemical Composition
Not Available
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Sphene and Afghanite Chemical Formula

While comparing Sphene and Afghanite 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 Sphene and Afghanite chemical formula.

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  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Sphene and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphene and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphene and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Sphene is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.

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