Dazzling 1.39ct rainbow spark untreated Sphene

This untreated sphene features a light shift in color, with a golden yellow hue in ordinary lighting with an added orange tint from its rainbow spark, creating an easy to observe bi-color palette. In hand this gem is alive with light and color, displaying continuous pops of flashing that is filled with vibrant reds, yellows, and greens. It measures 6.6mm x 6.2mm x 4mm. Sourced from Russia.