Pipe Dreams: Chemist

[Eloah]

Remember that AST started as the Chemist job, so the card system, and Mudras are the basis for how a Mix feature would probably work; the same with Dances now.

But a few things to note:
First, I don't suggest going beyond the game in it's current form. And by that I mean, if you are making a healer, they will share healer gear and use the healer role actions. It just makes the most sense.
Second, I'm not sure if you knew this, but Chemist, or Salve-maker as it will most likely be called, usually has a high magic stat, if WHM is A than CHM is B. While the idea of them not using magic makes some sense, based on their concept, most games give them access to basic "magic" which is offset by their personal buff. Basically, they can use MP for spells is what I am getting at.
And finally, I would suggest looking up some of the ability names used by Chemist, and all related jobs, in the past, so as to get a feel for their skill set. You, and most people I feel, seem to stick to their "item usage" nature, and forget that they have a background in magic as well. So it's not wrong for them to use magic, in fact, that could be how they "mix" the items together.

[Duelle]

Remember that AST started as the Chemist job, so the card system, and Mudras are the basis for how a Mix feature would probably work; the same with Dances now.

Agreed. That ship, however, has sailed. If abilities are supposed to be "unique", Mix has already lost because of Mudras and Steps/Finishes. Beyond that, my own concerns involve the fact that a healer looking away from health bars to mix things (either to build resources or prep said heals) could cause problems in certain encounters.

if you are making a healer, they will share healer gear and use the healer role actions. It just makes the most sense.

Mechanically, yes. Concept-wise, no. As I've mentioned before, healers are shackled to jobs that have are, in concept, magic users. I'm willing to acquiesce on gear for the sake of not messing with loot distribution for raids, but giving it role actions meant for an MP-using job when the rest of the kit is designed with its own resource in mind would leave the design at odds with itself.

Second, I'm not sure if you knew this, but Chemist, or Salve-maker as it will most likely be called, usually has a high magic stat, if WHM is A than CHM is B. While the idea of them not using magic makes some sense, based on their concept, most games give them access to basic "magic" which is offset by their personal buff. Basically, they can use MP for spells is what I am getting at.

I'm going largely by FFT's version of the job (Item User) along with some rudimentary research I did on FFV's Chemist. Especially in FFT's case, we need to keep in mind that Chemist was the start of the mage tree, so a) any magic stat growth is there because of that and b) it would in theory make it beneficial to cross-class magic (provided magic was useful, which in FFT it wasn't).