Liddicoatite and Lazulite Physical Properties

Liddicoatite

Lazulite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.023.04-3.17

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

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

1.6 Cleavage

{0001} Poor

{001} Indistinct, {???} Indistinct

1.7 Mohs Hardness

Not Available5.5

2 10

1.8 Chemical Composition

Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Liddicoatite and Lazulite Chemical Formula

While comparing Liddicoatite 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 Liddicoatite and Lazulite chemical formula.

Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

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Liddicoatite and Lazulite Specific Gravity

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