Could something like the Crystal Hunt be a recurring event?
Well, more importantly, would it be possible that the Crystal is more organic (not organochemistry–wise, but biophysical–wise) than previously believed?
Every now and again, it emits shards of crystals which fall to the ground, like mana from the heavens for our hungry kran.
Of course, such a thing would've been dangerous for the Lemur folk. So, maybe the crystals grow out from the ground, rather?
The important thing is that the world be fully realized in such a way that facilitates recurring activities like fractal embellishment. World Design 211.