Afghanite and Scheelite Physical Properties

Afghanite

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.655.9-6.3

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

Perfect {10 1 0}

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Afghanite and Scheelite Chemical Formula

While comparing Afghanite and Scheelite 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 Afghanite and Scheelite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Afghanite Vs Hauyne

Afghanite Vs Glaucophane

Afghanite Vs Kainite

Afghanite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.