Legrandite and Covellite Physical Properties

Legrandite

Covellite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.98-4.044.6-4.76

1 7.18

1.5 Fracture

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Imperfect, poor one {100}

Perfect on {0001}

1.7 Mohs Hardness

4.5-5Not Available

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Legrandite and Covellite Chemical Formula

While comparing Legrandite 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 Legrandite and Covellite chemical formula.

Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Yellow Gemstones

Legrandite Vs Mimetite

Legrandite Vs Microcline

Legrandite Vs Microlite

Legrandite and Covellite Specific Gravity

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