Spinel and Scheelite Physical Properties

Spinel

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.64-3.665.9-6.3

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

None, but may exhibit slight parting

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

1.7 Mohs Hardness

84.5-5

2 10

1.8 Chemical Composition

MgAl₂O₄

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

Spinel and Scheelite Chemical Formula

While comparing Spinel 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 Spinel and Scheelite chemical formula.

Chemical formula of Spinel- MgAl₂O₄
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spinel and Scheelite Specific Gravity

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