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Goethite
Goethite

Azurmalachite
Azurmalachite



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Goethite
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Azurmalachite

Goethite and Azurmalachite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
HCl soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.27-4.293.70-3.95
Amber
1 7.18
1.5 Fracture
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
1.6 Cleavage
Perfect {010}
1,1 basal.
1.7 Mohs Hardness
5-5.53.5-4
Amber
2 10
1.8 Chemical Composition
FeO(OH)Arthur Thomas , Gemstones (2009)
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Goethite and Azurmalachite Chemical Formula

While comparing Goethite and Azurmalachite 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 Goethite and Azurmalachite chemical formula.

  • Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)

Goethite and Azurmalachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Goethite and Azurmalachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Goethite and Azurmalachite Optical Properties during the identification of gemstone. Specific gravity of Goethite is 3.70-3.95 whereas that of Azurmalachite is 3.70-3.95.