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These are chunks of lab created sapphire which were grown for use as sensor windows in the F35 fighter jet but didn't meet spec
We also have large pieces of rough which are photographed and described individually and can be purchased from the drop down menu
This is lithium niobate
These index gears fit the Vevor faceting machine used with the CutKit™ as well as other similar faceting machines
I finally got a version I was happy with and I like how it came out--I also rounded the girdle which I haven't done before
Fantasy cut GAGG Lumogarnet with Bubbles Loose Faceted Stones Stone Weight:12.9ct These are chunks of labThese are fantasy cut GAGG lumogarnets with bubbles. Some are more included than others, and some have a decent afterglow. Each is pictured individually. Cerium GAGG is a material which has recently risen to prominence in industry but never been used as a gem until now. It is what we call a 'lumogarnet' a lab created garnet with incredible fluorescence. It glows a bright yellow, slightly greener and brighter than already bright Ce: YAG. This material