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Unusual for our site
It measures 28x26x25mm and weighs in at 57g
The stone measures about 21 x 20 x 19mm and weighs in at 54g
Even pinching the stone too hard when bending the silver prongs can make it decide to start cleaving (as we learned to our dismay)
55 and dispersion of 0
LYSO Pixels Raw and Faceted Loose Gems Blue Fluorescent Scintillator Stone:Partial LYSO Pixel Prism (avg. 5ct) Unusual for our siteThese are loose scintillator pixels of LYSO (Lutetium Yttrium Oxyorthosilicate) which were made for PET scanners but didn't end up meeting the cut. Some are full prisms measuring 20x4x4mm, some are partial (either broken pixels or pixels that caught the edge of the crystal and show some of the rounded crystal face). We have also had some faceted as long pixel gems which are very bright and beautiful! LYSO is a very unusual crystal grown for use in