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: APD502P 0020
Estimated weights colours & clarities
- Estimated weight: 5.16cts
- Cut: emerald modified crisscross cut
- Estimated Colour: transparent green
- Colour Distribution: even
- Hue: dark
- Tone: dark
- Estimated Clarity: EC (Eye Clean)
- Brilliance: 95%
- Girdle: Polished
- Dimensions: 12.60mm x 7.78mm x 6.23mm
- (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 evidence of heat treatment
5.16ct Emerald modified crisscross cut
£1 350,00Pris