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Lithium niobate is a lab-grown crystal with amazing brilliance and fire
weighing in at 369ct
This is a very odd and rare laser crystal
(suitable for pendant usage) and how difficult it is to get these days
particularly by the flame fusion
EOTS Cut F-35 Window Sapphire Rings in Sterling Silver (F35 Gem) Style:Style F (Half-Lifted) Lithium niobate is a lab-grownThese 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 set in solid sterling silver rings! Note these stones glow blue under shortwave UV because of titanium contamination. This is a really cool material lab sapphire grown for windows on the F35! These aren't used on the cockpit but on a sensor array right below. There are numerous sensors on the bottom of an
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