An extraction is an alkaloid which is a salt. Why did you perform an extraction with all three at the same time? I would throw your black crystals in the garbage and start over. Extract the DMT from MHRB or ACRB with Naphtha or another suitable no-polar. Sounds like you need to do some more...

Never perform an ammonia wash. Simple Rx with warm naphtha works just fine.

Never do an ammonia wash. You don't even need to do a sodium carbonate wash. A simple Rx is all you need. Purple spice? Should be red, brown, yellow, white or clear. Sounds like you are having some issues. Do some more research and try again. I wouldn't consume purple DMT. Green and Blue...

Perform a Rx. It is simple and effective. You can Rx as many times as you like until you get the results you are looking for.