This is becoming a common problem with powdered bark and STB's. It does not appear to be confined to one vendor, but to many vendors. I do not believe it to be a problem of misidentification of Mimosa Hostilis either, A/B extractions have yielded perfectly normal Spice.
I doubt very much if this is an issue of jungle spice being pulled. Jungle it ain't. Plus an A/B on the same bark does NOT produce anything like this.
I have tried everything from multiple recrystalizations (bestine), to sodium carbonate washes, none of it gets rid of this red contam.
It appears safe to smoke, but is VERY harsh IMO.
A quick A/B extraction on your red xtals is the only fix that I have found to work. Simply dissolve in a small amount of water that has a small splash of vinegar in it. Add small amount of lye dissolved in water, add naphtha, freeze. From red goop to freezer shouldn't take more than 10-20 minutes. Use as little water as possible to completely dissolve the spice. Warm water is best. Your naphtha should also be used lightly. You don't need much, this can also be heated for less yield loss.
In the future you may want to either order whole bark for STB or perform an A/B extraction on powdered bark.
The Spice extends life
The Spice expands consciousness
The Spice is vital for space travel
___________________________________________________________________________________________________
Never underestimate the power of STUFF!
I am certifiably insane, as such all posts written by me should be regarded as utter nonsense or attempts to get attention.
I don't know SWIM and personally don't trust him at all. If SWIM is posting, most likely I will not respond...as I said, I don't trust the guy. YOU I trust, but never SWIM.