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: APD302A 0007
Estimated weights colours & clarities
- Estimated weight: 1.90ct
- Cut: baguette step cut
- Estimated Colour: transparent bi - colour green/brown
- Colour Distribution: even. (bi-colour green 1/3 - brown 2/3)
- Hue: light
- Tone: medium
- Estimated Clarity: EC (Eye Clean)
- Brilliance: 75%
- Girdle: polished
- Dimensions: 7.52mm x 6.31mm x 4.65mm
- (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 1.90ct Bi-colour Brown Green Baguette Cut
125,00£Precio