Liddicoatite and Covellite Physical Properties

Liddicoatite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.024.6-4.76

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

{0001} Poor

Perfect on {0001}

1.7 Mohs Hardness

Not AvailableNot Available

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)

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Liddicoatite and Covellite Chemical Formula

While comparing Liddicoatite and Covellite 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 Covellite 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 Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Liddicoatite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Liddicoatite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.