Lazulite and Scheelite Physical Properties

Lazulite

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

3.04-3.175.9-6.3

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{001} Indistinct, {???} Indistinct

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

1.7 Mohs Hardness

5.54.5-5

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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

Lazulite and Scheelite Chemical Formula

While comparing Lazulite 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 Lazulite and Scheelite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Lazulite and Scheelite Specific Gravity

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