Poudretteite and Scheelite Physical Properties

Poudretteite

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

2.51-2.535.9-6.3

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

54.5-5

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Scheelite Chemical Formula

While comparing Poudretteite 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 Poudretteite and Scheelite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Sapphire

Poudretteite Vs Rubellite

Poudretteite and Scheelite Specific Gravity

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