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It has an amazing color change and clarity
Our friend Arya is working with several PhD researchers to unravel its secrets to grow large
5 and brittleness which make it a definite collector's stone for display instead of for jewelry
and each piece of rough should be able to yield that--they're each individually photographed and measured
higher hardness and greater brilliance than YAG
F-35 Window Sapphire Earrings, EOTS and Round Cut F35 Gems in Sterling Silver Style:Stud Earrings, 8mm, ~6tctw round stones It has an amazing colorThese are lab created sapphires which were grown for use as a sensor window in the F35 fighter jet but didn't quite meet spec. They've been faceted and set in solid sterling silver jewelry. Note these stones glow blue to varying amounts under shortwave UV because of titanium contamination. In our testing 222 nm seems to work best but 254 nm does work to some extent. This is a really cool material lab sapphire grown for windows on the F35! These aren't