Uvite and Covellite Physical Properties

Uvite

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

2.97-3.144.6-4.76

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

{1011} Indistinct

Perfect on {0001}

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Covellite Chemical Formula

While comparing Uvite 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 Uvite and Covellite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(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

Compare Red Gemstones

Uvite Vs Yttrium Aluminium Garnet

Uvite Vs Willemite

Uvite Vs Wulfenite

Uvite and Covellite Specific Gravity

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