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Samarskite stone is found in "Russia" and "Brazil" and has the following physical and chemical properties:

Physical properties

  • The group oxides
  • The scratch is reddish brown
  • Hardness 5 / 6
  • black color
  • The sparkle is glassy / resinous

Chemical properties

  • Density 5.7
  • A rhombic system of crystals exists
  • The chemical formula is yttrium oxide and iron