Jadeite is found in "Myanmar" and "Afghanistan" and it is characterized by chemical and physical properties:

Physical properties

• Block shape / rare crystals
• Silicate minerals group
  
• White scratching
• Hardness 6 / 7
• Color is green / white / purple / pink / orange / yellow
• Not radioactive
• Transparent to opaque
• The luster is vitreous / greasy

Chemical properties

• Refractive index 1.66 / 1.68
• Density 3.2 / 3.4
• Mono tilt crystals system
• The chemical formula is pyroxene