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Adamite
Adamite

Malachite
Malachite



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Adamite
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Malachite

Adamite and Malachite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.32-4.483.25-4.10
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Conchoidal, Conchoidal, Gemstones (2009), Uneven
1.6 Cleavage
{101}, good; {010}, poor
Perfect on { 2 01} fair on {010}
1.7 Mohs Hardness
3.53.5-4
Amber
2 10
1.8 Chemical Composition
Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
Cu2CO3(OH)2

Adamite and Malachite Chemical Formula

While comparing Adamite and Malachite 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 Adamite and Malachite chemical formula.

  • Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael O’Donoghue , Gems, Sixth edition (2006)
  • Chemical formula of Malachite- Cu2CO3(OH)2

Adamite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Adamite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.