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 0014
Estimated weights colours & clarities
- Estimated weight: 6.75cts
- Cut:cushion modified step crisscross cut
- Estimated Colour: transparent golden orange
- Colour Distribution: even
- Hue: medium
- Tone: medium
- Estimated Clarity: LI (Lightly Included)
- Brilliance: 98%
- Girdle: Polished
- Dimensions:
- (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
6.75ct Modified Cushion Step Crisscross Cut Golden Orange Tourmaline
£1.690,00Pris