Malachite and Stichtite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-4.10
  
2.11-2.20
  
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
  
Cleavage
Perfect on { 2 01} fair on {010}
  
Perfect on {0001}
  
Mohs Hardness
3.5-4
  
Not Available
  
Chemical Composition
Cu2CO3(OH)2
  
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Malachite and Stichtite Chemical Formula
While comparing Malachite and Stichtite 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 Stichtite chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Malachite and Stichtite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.