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Boracite
Boracite

Covellite
Covellite



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Boracite
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Covellite

Boracite and Covellite Physical Properties

Physical Properties

Tenacity

Brittle
Flexible

Solubility

Soluble
-

Durability

-
-

Specific Gravity

2.95-2.964.6-4.76
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

None
Perfect on {0001}

Mohs Hardness

7-7.5-9999
2 10
👆🏻

Chemical Composition

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

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.