Azurmalachite and Goethite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
HCl soluble
Durability
Not Available
Not Available
Specific Gravity
3.70-3.95
4.27-4.29
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Cleavage
1,1 basal.
Perfect {010}
Mohs Hardness
3.5-4
5-5.5
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
FeO(OH)Arthur Thomas , Gemstones (2009)
Azurmalachite and Goethite Chemical Formula
While comparing Azurmalachite and Goethite 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 Azurmalachite and Goethite chemical formula.
- Chemical formula of Azurmalachite- (Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
- Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Azurmalachite and Goethite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurmalachite and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Goethite Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.