Girasol and Amethyst Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
insoluble in common solvents
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
2.65
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Not Available
  
Indiscernible
  
Mohs Hardness
5.5-6.5
  
7
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
SiO2
  
Girasol and Amethyst Chemical Formula
While comparing Girasol and Amethyst 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 Girasol and Amethyst chemical formula.
- Chemical formula of Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Amethyst- SiO2
Girasol and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Girasol and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Girasol and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Girasol is 2.65 whereas that of Amethyst is 2.65.