Vesuvianite and Lazulite Physical Properties

Vesuvianite

Lazulite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.433.04-3.17

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Poor on {110} and {100} very poor on {001}

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

6-75.5

2 10

1.8 Chemical Composition

Not Available

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

Vesuvianite and Lazulite Chemical Formula

While comparing Vesuvianite and Lazulite 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 Vesuvianite and Lazulite 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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Vesuvianite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.