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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
The 51g piece measures 39x29x29mm and the 53g piece measures 29x28x28mm
These are faceted Er:YAG (Yttrium Aluminum Garnet)
easy-to-use cheater with 1/4 degree markings
sort of padparascha-like pink color which shifts between a starburst pink and a more pink-orange depending on the lighting
This is easily one of my favorite gems
Hologram Crystal (Iron-Doped Lithium Niobate) faceted Stones Marked Letter:Dark 7mm Round Cut avg. 1.7ct The 51g piece measures 39x29x29mmThese are faceted hologram crystals, aka iron doped lithium niobate. They are available in calibrated sizes and in fancy cuts. We have both light and dark toned stones depending on the dopant level. This is a really cool crystal in particular iron doped lithium niobate is grown for use in holographic storage. This is an emerging field (ok, it's been emerging since the 80s but still in progress) which allows data to be stored directly in a crystal
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