Faceted Yb:YAG Gemstones, Light Blue Fantasy Cut Laser Garnets yap only when looking close with

only when looking close with direct point lighting

Natural Topaz: A big crystal of natural topaz

The smaller piece weighs in at 34g and measures 23

This material is trichroic (meaning it shows three different colors depending on the direction you look through the stone

Faceted Yb:YAG Gemstones, Light Blue Fantasy Cut Laser Garnets yap only when looking close withThese 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,