Lazulite and Vlasovite Physical Properties

Lazulite

Vlasovite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

3.04-3.172.97

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{001} Indistinct, {???} Indistinct

Distinct on {010}

1.7 Mohs Hardness

5.56

2 10

1.8 Chemical Composition

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

Not Available

Lazulite and Vlasovite Chemical Formula

While comparing Lazulite and Vlasovite 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 Vlasovite chemical formula.

Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Lazulite and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazulite and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazulite and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Lazulite is 2.97 whereas that of Vlasovite is 2.97.