Chlorastrolite and Lazulite Physical Properties

Chlorastrolite

Lazulite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.1-3.5

Granular

None

5-6

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

3.04-3.17

Uneven

{001} Indistinct, {???} Indistinct

5.5

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

Chlorastrolite and Lazulite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Lazulite chemical formula.

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Chlorastrolite and Lazulite Specific Gravity

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