Tourmalirne

TOURMALIE

The birthstone of Oct.

Electric stone

• The degree of hardness ; 7 - 7.5
  
• Specific gravity ; 3.0 - 3.2
  
• Index of refraction ; 1.64- 1.62

The place of producing - U.S.A , Sri Lanka , Brazil , Russia

SPECIFICATION

It is so-called electric stone

• Tourmalie is named as electric stone because it responses to friction, impact, moisture, heat such as outside stimuli and then its both extremities will be electrified as each anode and cathode.
  
• In natural circumstance, it gives off far infrared ray and negative ion eternally.
  
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The effect on human body

• The radiation of far infrared ray and negative ion
  - Relief of stress
  - Soul stabilization
  - Reduction of shoulder pain and Lumbago
  - The improvement of respiratory organ
  - Sound sleep
  - The improvement of digestion
  - Relief of pains
  
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Its specific character as Jewelry

• Tourmaline has both characters as accessory and jewelry because it has muti-designs and muti-colors that has never been found at the established functional accessory.