Scheelite and Phenakite Physical Properties

Scheelite

Phenakite

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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

5.9-6.32.90-2.98

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

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

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

4.5-57.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Scheelite and Phenakite Chemical Formula

While comparing Scheelite and Phenakite 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 Phenakite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Scheelite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.