Indicolite — specimen 0732, photo © NMNHS
Indicolite — specimen 0732
Weight: 0.88 ct; size: 10.43 | 3.91 | 2.54 mm; shape: octagon; colour: medium dark very strongly bluish green; very slightly greyish; clarity: eye clean; cut: excellent; treatment: none.
Very clean specimen; design ‘Octangulum’ [crown angle changed to 21.00], excellent cut by Tan Pen.
More information from ‘Classification’
A blue colour variety of some tourmaline species, usually of elbaite. A pure blue is very rare and most indicolite is of teal or blue-green colour.