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Czochralski-pulled cobalt spinel can be grown to ultra high purities and used in lasers as a Q switch
The 18 inch cords are a good length for anyone to wear
where cooling formed different crystal structures
The rod blank is an unpolished section which has two flat ends with some chipping and a matte finish all around
This is a custom faceted lab ruby cut in my new 'Coolest S' design
Faceted Yb:YAG Gemstones, Light Blue Fantasy Cut Laser Garnets RetroHex Czochralski-pulled cobalt spinel can beThese are faceted light blue ytterbium YAG, a type of blue laser garnet. The color varies from light greyish blue to more saturated blue green. Yb: YAG is an uncommon type of YAG, grown for use in some infrared lasers including ones used for high power engraving. While it is used in a variety of infrared laser systems it is surprisingly hard to actually get as industrial scrap this is because the material is usually annealed immediately after growth,