Lazurite and Microlite Physical Properties

Lazurite

Microlite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.755.5

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

Imperfect on {110}

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5.55-5.5

2 10

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Chemical Composition

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

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Lazurite and Microlite Chemical Formula

While comparing Lazurite and Microlite 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 Microlite chemical formula.

Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Lazurite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lazurite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lazurite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Lazurite is 5.5 whereas that of Microlite is 5.5.