Most fluorite has single side and base rock at another side, having double sides fluorite is pretty hard to find.
Especially when it has multiple colors on it.
Note, this fluorite require light to make the color comes up, it may be dim in low light room.
If there has color different between picture and video, please refer to video.
All photos & videos took by Nikon z5 without any after effect added, light source is professional photography light equipment.
Watch the 4k resolution video as below :