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shaped like sapphire sensor cluster on the nose of the F-35
but they are all minor and the stone still sparkles like crazy
These are chunks of lab created sapphire which were grown for use as sensor windows in the F35 fighter jet but didn't meet spec
It also has excellent brilliance
5 limits it to pendant and earring usage in jewelry
Green Spinel, Djeva Manganese Spinel with Green Fluorescence Calibrated shaped like sapphire sensor clusterThese 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 green base with green fluorescence, best visible under 365nm UV, but it also reacts to 395nm as well.
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