Malachite and Diaspore Physical Properties
Tenacity
Not Available
Very brittle
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
3.30-3.40
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
Conchoidal, Brittle, Conchoidal
Cleavage
Perfect on { 2 01} fair on {010}
{010} perfect, {110} distinct, {100} in traces
Mohs Hardness
3.5-4
6.5-7
Chemical Composition
Cu2CO3(OH)2
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Malachite and Diaspore Chemical Formula
While comparing Malachite and Diaspore 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 Diaspore chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Malachite and Diaspore Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Malachite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.