Wavellite and Covellite Physical Properties

Wavellite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.364.6-4.76

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

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

1.6 Cleavage

[110] perfect, [101] good, [010] distinct

Perfect on {0001}

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Wavellite and Covellite Chemical Formula

While comparing Wavellite 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 Wavellite and Covellite chemical formula.

Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 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 Green Gemstones

Wavellite Vs Zircon

Wavellite Vs Fancy Diamond

Wavellite Vs Demantoid Garnet

Wavellite and Covellite Specific Gravity

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