SOLD
 
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: APD302E 0005
 
Estimated weights colours & clarities
Estimated weight: 4.08cts
Cut: Trilliant modified criss-cross cut
Estimated Colour: transparent green Colour
Distribution: even
Hue: medium
Tone: medium
Estimated Clarity: LI (Lightly Included)
Girdle: ground not polished
Brilliance: 85%
Dimensions: 11.87mm x 9.87mm x 6.47mm
(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.