Weirdest cravings!

Joanne • Im 28 ive got 3 children son 11 daughter 10 and daughter 5 to previous relationship in a new relationship with baby #4 :) n hubs #6 will make our familly 11 woa :)
So im a couple days off having baby and the only craving for this pregnancy has been hot hot water from the shower its just got a weird yummy taste... but last night having trouble sleeping i started to crave dust!!! Like i really wanted to go find a dusty shelf and lick it! Or ash from a fire place ! Or even a rusty pipe! i wanted to lick it what the actual fk! I didnt try any of it but am still craving it!!!!! Anyone had anything similar?