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Neodymium YAG is the most classic laser crystal
These fantasy cuts with their concave curved faces add an extra dimension to the stones
These are fantasy cut GAGG lumogarnets
These are lab created chromium YAG (Yttrium Aluminum Garnet) facet rough aka "Christmas Garnet"
Nd:YAP Pendants, Soviet Yttrium Aluminum Perovskite Jewelry pulled Neodymium YAG is the mostThese are lab grown perovskite gems (specifically yttrium aluminum perovskite) set in 925 sterling silver. These range in color from purple pink to orange red each is unique and individually photographed. This is a very odd and rare laser crystal, yttrium aluminum perovskite (YAP). It was grown in the 80s in the soviet union for use in lasers, but never caught on as an alternative to its better known cousin yttrium aluminum garnet (YAG). It has a