Quote Originally Posted by Shadygrove View Post
Today if you want gathering / crafting materia 9 / 10 I have two questions for you.

1, Did you do Island sanctuary?

2, Are you still doing it?

I have 1.2M blue cowries. 9s cost 750. 10s cost 1500. If I buy materia for gil its because I am too lazy to go to the island.
This post is from before I.S. was a thing. Today, yes that is another viable source of blue and green materia 9/10's.