Sure thing! The locations of the tablets are:
1. Nefer - on the ground next to the central pyramid altar. Left side.
2. Scarab - In the broken pot on the left side of the mirror
3. Tyet - In the unbroken pot on the right side of the mirror (break with a rock)
4. Ouroboros - In the pot up on the ledge on the right side wall of the room (break with a rock)
Edit: if you'd like hints for the endings, please see this post here: https://desidee.itch.io/changing-time-vr/devlog/754383/ending-list