The Quark slime in a bucket is supposed to have a "jumping" animation when within a slime chunk, to make it easier to find slime chunks. The ceramic version doesn't reproduce that functionality however.

That is a really specific functionality. ^^

https://www.github.com/Vazkii/Quark/tree/master/src%2Fmain%2Fjava%2Fvazkii%2Fquark%2Fcontent%2Ftools%2Fitem%2FSlimeInABucketItem.java