This is all I have for now.
I have not note the first 6 pages, so now it's like this. Assuming I did not miss any pages.
Note* the first 6 and 20 credit to @Tootsy /profile/tootsy.
1. Pyramid, chest in large sand room with bridges through a long, hidden passag
2. Hillsdale – Hug the left side of town by the armor shop.
3. Mt. Matoya – in the last area on the South elevated cliff on the approach to the boss. You can’t miss it. By a chest
4. Kohlingen Auction house.
5. Kohlingen Cave - near the end in a room with lots of crates and a chest.
6. Conall Curach – After the first bridges, its down and to the left between some trees.
7. Nightmare cave - Near North Dock (North east edge of Linblum (South east continent))
8. Arcane Library - Top-left of the area before save point. You have to walk the narrow path along the top wall to the left.
9. Crescent Rivulet - 1st floor, lower-left
10. Dragon King Roost
11. Crystalline Weald
12. Leyton (a town in Ivalice) buy it from a man in the top left house for 5,000G
13. Mount Ozma - First mountain of the merged world. Look for side passage along the main road up the mountain.
14. N/A
15. N/A
16. N/A
17. N/A
18. N/A
19. N/A
20. Tower of Babil (Tootsy)
Please feel free to fill in what you know.
Change the numbering freely. I just what to order it along with the story line.