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Malachite
Malachite

Danburite
Danburite



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Malachite
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Danburite

Malachite and Danburite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.25-4.102.97-3.03
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Perfect on { 2 01} fair on {010}
{001} Poor

Mohs Hardness

3.5-47
2 10
👆🏻

Chemical Composition

Cu2CO3(OH)2
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Malachite and Danburite Chemical Formula

While comparing Malachite and Danburite 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 Malachite and Danburite chemical formula.

  • Chemical formula of Malachite- Cu2CO3(OH)2
  • Chemical formula of Danburite- CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Malachite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.