Thulite and Scheelite Physical Properties

Thulite

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

3.15.9-6.3

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Perfect {010} imperfect {100}

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

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Scheelite Chemical Formula

While comparing Thulite 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 Thulite and Scheelite chemical formula.

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

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Thulite and Scheelite Specific Gravity

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