Azurmalachite and Black Opal Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.70-3.95
1.97-2.22
Fracture
ConchoidalGemdat.org, Management Team (2012), ConchoidalGemdat.org, Management Team (2012)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
1,1 basal.
Not Available
Mohs Hardness
3.5-4
6-6.5
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
SiO 2 + H 2OUlrich Henn and Claudio C.
Azurmalachite and Black Opal Chemical Formula
While comparing Azurmalachite and Black Opal 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 Black Opal 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 Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Azurmalachite and Black Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurmalachite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurmalachite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Azurmalachite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.