Povondraite and Covellite Physical Properties

Povondraite

Covellite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.264.6-4.76

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

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

Povondraite and Covellite Chemical Formula

While comparing Povondraite 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 Povondraite and Covellite chemical formula.

Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Brown Gemstones

Povondraite Vs Staurolite

Povondraite Vs Sonolite

Povondraite Vs Smoky Quartz

Povondraite and Covellite Specific Gravity

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