Povondraite and Scheelite Physical Properties

Povondraite

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

3.265.9-6.3

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available4.5-5

2 10

1.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

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

Povondraite and Scheelite Chemical Formula

While comparing Povondraite 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 Povondraite and Scheelite chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Povondraite Vs Sonolite

Povondraite Vs Staurolite

Povondraite Vs Smoky Quartz

Povondraite and Scheelite Specific Gravity

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