Colonial brain coral fossil (Natural) aquarium, home or collectible deco. buying Not live collected

Colonial brain coral fossil. Slightly light weight, white beige bone color with intricate details like shown in photo. Sizes is:

L - 6 in
W - 5 buying in
H - 3.5 in
Weight - 9.3 oz

I found this very beautiful piece off the beaches of Mexico and was not live collected.