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 0031
Estimated weights colours & clarities
- Estimated weight: 7.78cts
- Cut: cushion step cut
- Estimated Colour: transparent pink
- Colour Distribution: even
- Hue: medium
- Tone: medium
- Estimated Clarity: LI (Lightly Included)
- Brilliance: 98%
- Girdle: Polished
- Dimensions: 13.04mm x 11.02mm x 7.73mm
- (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: Evidence of heat treatment
7.78ct Cushion Step Cut Tourmaline
475,00£Prix