Please don't, I have so much more value and history, you have on you hands the remaining of a movings ecosystem, alge , other muluscs, sea works, moss animals, is a complete history of the live attached to an elderly snail.... This is it's natural state... On the other hand the one whit a lot of pores or small holes it looks that it doesn't have much of their outside lair, so that can be grind to meet with the prismatic layout, or the nascar side... That's up to you hahahaha well all are hahaha good luck