Scheelite and Thulite Physical Properties

Scheelite

Thulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.9-6.33.1

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect {010} imperfect {100}

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Scheelite and Thulite Chemical Formula

While comparing Scheelite and Thulite 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 Scheelite and Thulite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Scheelite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 3.1 whereas that of Thulite is 3.1.