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Titanium sapphire is a very unusual variety of sapphire
it is challenging to grow these crystals in very large sizes
It glows a bright yellow
and is very difficult to cut
It is an excellent gem
Pink Faceted Ruby Gemstones, Cut Pulled Rubies Stone:Bubbly Diamond Cushion, 11.6x9.2mm, 3.72ct Titanium sapphire is a veryThese are faceted pink rubies, grown using the Czochralski pulling methods. Like all rubies they have a high hardness of 9, great brilliance and glow red under UV. These might have been intended for lasers, or perhaps luxury watches. Some pieces have bubbles. The most classic gem produced by science is laser ruby. While material of this color would be called 'pink sapphire' in a gemological context, in laser science all corundum doped with chromium is
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