Strontium Titanate Rough (Fabulite) Piece:Long Edge, 19.1×12.1×8.8mm, 7.63g which is almost certainly what

which is almost certainly what the large rod was meant for

and it GLOWS IN THE DARK

That's right

This is a custom pixel cut blue laser garnet (Ytterbium YAG) that I cut myself to resemble a real life Minecraft diamond

most of these probably have voids inside

Strontium Titanate Rough (Fabulite) Piece:Long Edge, 19.1×12.1×8.8mm, 7.63g which is almost certainly whatThese are facet rough of lab created strontium titanate, a classic labmade stone that used to be sold under several names, including "tausonite" and "fabulite". SrTiO3 has extremely high dispersion (0. 190), which is over four times that of diamond! In practical terms that means it has incredible fire it briefly was attempted as a diamond imitation, but the stones had too many rainbows and were obviously something different. It only has two downsides: