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These are Pyropearls™
It was grown back in the 80s in the Soviet Union
where cooling formed different crystal structures
This is the first ever cut stone of our new super cerium YAG
Faceted Yb:YAG Gemstones, Light Blue Fantasy Cut Laser Garnets RetroHex These are Pyropearls™These 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,
US$ 188.00
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