Kyanite and Scheelite Physical Properties

Kyanite

Scheelite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.655.9-6.3

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

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

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

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

1.7 Mohs Hardness

4-74.5-5

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Scheelite Chemical Formula

While comparing Kyanite 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 Kyanite and Scheelite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Kyanite and Scheelite Specific Gravity

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