Should be an interesting one to grind and polish.
Casting a concrete (GFRC) table top with integral pigments- work in progress.
36"x1", and 75lbs.
I shared the same technique while I was trying a sample of a new bagged GFRC product, but I bailed at the face coat because it didn't self-consolidate as intended. Some of you may remember that post, but if you'd like to compare- the difference is drastic: https://www.reddit.com/r/Concrete/comments/1lzbm6h/thought_id_share_another_fail_i_bailed_at_the/