Malachite and Girasol Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.25-4.10
  
1.98-2.50
  
Fracture
Conchoidal, Conchoidal, Gemstones (2009), Uneven
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Perfect on { 2 01} fair on {010}
  
Not Available
  
Mohs Hardness
3.5-4
  
5.5-6.5
  
Chemical Composition
Cu2CO3(OH)2
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Malachite and Girasol Chemical Formula
While comparing Malachite and Girasol 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 Girasol chemical formula.
- Chemical formula of Malachite- Cu2CO3(OH)2
- Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Malachite and Girasol Specific Gravity
Another important criteria for qualitative analysis of gemstones is Malachite and Girasol Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Girasol Optical Properties during the identification of gemstone. Specific gravity of Malachite is 1.98-2.50 whereas that of Girasol is 1.98-2.50.