Labradorite stone is found in "Canada" and has several chemical and physical properties, including:

Physical properties

• The form is mass / amorphous
• Silicate minerals group
  
• White scratching
• Hardness 6/6.5
• The color is blue / gray / white
• radiant
• Transparent / semi-transparent
• Sparkle is a strong play of color / glossy glass

Chemical properties

• Refractive index 1.56
• Density 2.7
• Three-tilt Crystal System
• The chemical formula is feldspar