Currently on AOF6 v1.3.0
Certus Quartz Dust from AE2 is shown to be able to be made from Create milling or crushing but when viewing it in JEI it seems to throw an error. When attempting to actually do it, the Create millstone won't accept the certus quartz at all.
Even weirder, all other AE2 items that can interact with the Millstone seem to work fine. Only Certus Quartz is having this issue. The console is throwing an IndexOutOfBoundsException when viewing this.
Haven't tested v1.4.0 yet, but I did not see this in the changelog when skimming