Yellow Spinel, Djeva Magnanese Spinel with Green Fluorescence TikTok This is an incredible 1590ct

This is an incredible 1590ct egg faceted from industrial lab grown white sapphire

perfect for hanging a pendant on

revealing mini 'geodes' filled with ruby microcrystals

The stone weighs in at a 34 carats

As such is not suitable for high end optical applications

Yellow Spinel, Djeva Magnanese Spinel with Green Fluorescence TikTok This is an incredible 1590ctThese are old stock flame fusion manganese spinel grown by the now defunct swiss Djeva corporation, known for their high quality flame fusion gems. The crystals have a yellow base with a strong green fluorescence, best visible under 365nm UV but it also reacts to 395nm as well.