This tourmaline is from Zambia in the 1980's & was part of a parcel of rough tourmaline ethically sourced through our block supply chain & was hand cut by Alan Poultney. It has now been recut to improve the colour & clarity from a 9.81ct emerald step cut.
The tourmaline:
Invent No: APD194 0006
Estimated weights colours & clarities
- Estimated weight: 8.50cts
- Cut: emerald step cut
- Estimated Colour: transparent dark red
- Colour Distribution: even
- Hue:dark
- Tone: dark
- Estimated Clarity:LI (Lightly Included)
- Brilliance: 80%
- Girdle: Polished
- Dimensions: 13.42mm x 10.49mm x 7.72mm
- (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 8.50ct Rubillite Emerald Step Cut
2.125,00£Precio