Malachite and Witherite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.25-4.10
4.27-4.35
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Perfect on { 2 01} fair on {010}
{010} Distinct
Mohs Hardness
3.5-4
3-3.5
Chemical Composition
Cu2CO3(OH)2
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Witherite Chemical Formula
While comparing Malachite and Witherite 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 Witherite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Witherite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Witherite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 4.27-4.35 whereas that of Witherite is 4.27-4.35.