Shigaite and Malachite Physical Properties
Tenacity
Moderately flexible
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.32
  
3.25-4.10
  
Fracture
Flexible Flexible fragments.
  
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
Cleavage
Perfect on {0001}
  
Perfect on { 2 01} fair on {010}
  
Mohs Hardness
2
  
3.5-4
  
Chemical Composition
Not Available
  
Cu2CO3(OH)2
  
Shigaite and Malachite Chemical Formula
While comparing Shigaite and Malachite 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 Shigaite and Malachite chemical formula.
>- Chemical formula of Malachite- Cu2CO3(OH)2
Shigaite and Malachite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Shigaite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Shigaite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Shigaite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.