2weeks ago, I finished an alabaster sculpture called "Double vortex", 42cm diam and 15cm thick. It was quite tricky to carve because of its thinness and the complexity of the design.
The other difficulty was the base in onyx, it was the first time that I was using this kind of material. It doesn't seem to like being carved, instead it os ok to grind it. Once it is polished, the colour is fantastic.
Overall, it was a great exprience.
Take care of yourselves.
Frederic