Grandidierite and Scheelite Physical Properties

Grandidierite

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

2.85-3.005.9-6.3

1 7.18

1.5 Fracture

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

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

1.6 Cleavage

Perfect

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

1.7 Mohs Hardness

7.54.5-5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

Grandidierite and Scheelite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Scheelite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Grandidierite and Scheelite Specific Gravity

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