Extraordinary rare Afghanite gemstone rectangle; approx. 5mm x 4mm

This incredible gemstone is Afghanite, one of the rarer gemstones, and found only in a handful of places; it weighs 0.90 carats, and is a deep, rich blue that fluoresces bright vivid orange; cut in a unique design with 83 facets. It is a 5.9mm x 4.7mm x 4.2mm rectangle.