Scheelite and Montebrasite Physical Properties

Scheelite

Montebrasite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.9-6.32.98-3.10

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Conchoidal

Cleavage

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

{100} Perfect, {110} Good, {011} Distinct

Mohs Hardness

4.5-55.5-6

2 10

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Chemical Composition

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

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Scheelite and Montebrasite Chemical Formula

While comparing Scheelite and Montebrasite 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 Montebrasite chemical formula.

Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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Scheelite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scheelite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.