Boracite and Covellite Physical Properties

Boracite

Covellite

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1 Physical Properties

1.1 Tenacity

Brittle

Flexible

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.95-2.964.6-4.76

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Boracite and Covellite Chemical Formula

While comparing Boracite 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 Boracite and Covellite chemical formula.

Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Boracite and Covellite Specific Gravity

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