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Copper
Copper

Howlite
Howlite



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Copper
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Howlite

Copper and Howlite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

-99992.45-2.58
1 7.18
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Fracture

Hackly
Conchoidal

Cleavage

None
None

Mohs Hardness

2.53-3.5
2 10
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Chemical Composition

Cu
Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Copper and Howlite Chemical Formula

While comparing Copper and Howlite 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 Copper and Howlite chemical formula.

  • Chemical formula of Copper- Cu
  • Chemical formula of Howlite- Ca 2B 5SiO 9(OH) 5Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Copper and Howlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Copper and Howlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Copper and Howlite Optical Properties during the identification of gemstone. Specific gravity of Copper is 2.45-2.58 whereas that of Howlite is 2.45-2.58.