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where it is used in some particular high-end laser systems
It is an excellent gem
Note that the crystals are still not completely perfect
Titanium sapphire is a very unusual variety of sapphire
Pink Faceted Ruby Gemstones, Cut Pulled Rubies Stone:Bubbly Diamond Cushion, 11.6x9.2mm, 3.72ct where it is used inThese 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
