As far as I know this is one of the rarest collector gem’s in the world. Refractive index ~1.97 conductivity .4 pleochroic -green.
The stone is 2.27 ct, blue
The orgin is india
$10,000 obo +FedEx shipping!
20190124_215809|690x462 ![20190124_215755|354x263]
Contact me or post if interested.