Datolite and Covellite Physical Properties

Datolite

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.004.6-4.76

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Covellite Chemical Formula

While comparing Datolite 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 Datolite and Covellite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael 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

Datolite Vs Elaeolite

Datolite Vs Euclase

Datolite Vs Emerald

Datolite and Covellite Specific Gravity

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