User blog comment:ChishioKunrin/RWBY Volume 3 Q&A has BEGUN!/@comment-3257939-20151023005452/@comment-25396609-20151023010215

Let me rephrase that "I did not anticipate somethng simple like how mixing dust works to be spoiler-y.  It is, meaning we may possibly get a scene or episode dedicated to it within the not-too-distant future"