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This is a special collector's piece--giant faceted eggs like these aren't easy to come by
it is challenging to grow these crystals in very large sizes
rendering them inoperable--sometimes to salvage rods they can saw off ends and then repolish them
the rarest and most precious lab gem currently available
One idea was to make powerful lasers that would shoot missiles right out of the sky en route
F-35 Fighter Jet Window Sapphire Loose Calibrated Gems (F35 Gems) Size:8mm Trillion Cut avg. 2ct This is a special collector'sThese are lab created sapphires which were grown for use as a sensor window in the F35 fighter jet but didn't meet spec. They've been faceted and are available as loose gems! Note that the calibrated cuts have a bit more size variation than usual, up to a quarter mm. Some have bubbles, some are a little tinted, and they glow blue under shortwave 222nm UV to varying amounts because of titanium contamination. This is a really cool material lab sapphire