This powder is colorless, odorless, and extremely deadly. It is often referred to as the deadliest poison known to man, albeit in the context of the known world, being that they are not aware of the magical world. It is found in a realm called Australia, a rather interesting place I have found it to be.
 
Though after some research, I am quite sure everything is trying to kill you. I was unaware of this powder until I met a nice gentleman named Robert, though his affinity for masks, does make him a bit eccentric. He explained to me about this powder over a drink and pipe, I decided after some thought and conversations to secure a few shipments from him.
 
Once we have them delivered to the tower, my apprentices will begin the process of weighing, measuring, and grading them. Corked and sealed in a vial, to preserve its potency. Sufficient for all magical potions, magical studies, and spell components.