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This tourmaline is from the Congo & was part of a parcel of rough tourmaline ethically sourced through our block supply chain & was hand cut by Alan Poultney.


The tourmaline:


Invent No: APD302A 0007


Estimated weights colours & clarities

  • Estimated weight: 1.90ct
  • Cut: baguette step cut
  • Estimated Colour: transparent bi - colour green/brown
  • Colour  Distribution: even. (bi-colour green 1/3 - brown 2/3)
  • Hue: light
  • Tone: medium
  • Estimated Clarity: EC (Eye Clean)
  • Brilliance: 75%
  • Girdle: polished
  • Dimensions: 7.52mm x 6.31mm x 4.65mm    
  •                            (Length x width x depth)
  • Refractive Indices: 1.610  -  1.698
  • Specific Gravity: 2.82-3.90
  • Hardness: 7 - 7.5
  • Orign: Congo Africa
  • Treatment: No eveidence of heat treatment

Tourmaline 1.90ct Bi-colour Brown Green Baguette Cut


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