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: APD402OD 0001
Estimated weights colours & clarities
- Estimated weight: 0.94cts
- Cut: rectangular modified criss-cross cut
- Estimated Colour: transparent rubellite
- Colour Distribution: even
- Hue: dark
- Tone: dark
- Estimated Clarity: EC (Eye Clean)
- Brilliance: 99%
- Girdle: Polished
- Dimensions: 5.56mm x 5.23mm x 4.40mm
- (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 0.94ct Rubillite Rectangular Modified Crisscross Cut
£188,00Prijs