Sphalerite and Scheelite Physical Properties

Sphalerite

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

3.95-4.105.9-6.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{110} Perfect, {110} Perfect, {110} Perfect

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

1.7 Mohs Hardness

3.5-44.5-5

2 10

1.8 Chemical Composition

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Sphalerite and Scheelite Chemical Formula

While comparing Sphalerite 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 Sphalerite and Scheelite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sphalerite and Scheelite Specific Gravity

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