Lazurite and Vesuvianite Idocrase Physical Properties

Lazurite

Vesuvianite Idocrase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.753.25-3.50

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Imperfect on {110}

Not Available

1.7 Mohs Hardness

5.5Not Available

2 10

1.8 Chemical Composition

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

Lazurite and Vesuvianite Idocrase Chemical Formula

While comparing Lazurite and Vesuvianite Idocrase 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 Lazurite and Vesuvianite Idocrase chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

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Lazurite and Vesuvianite Idocrase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Vesuvianite Idocrase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Vesuvianite Idocrase Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 3.25-3.50 whereas that of Vesuvianite Idocrase is 3.25-3.50.