Just tested some alleged mdma using the Marquis Reagent solution. The color reaction was quite odd. Couldn't match it up to anything on the chart that came with the test. Maybe you guys can figure out what it is? My initial thought was a 2-C substance or maybe DOB as those were the closest in reaction color to what I got but the substance I have is a brownish rock and as far as I know 2-c's are usually a white powder and DOx's are generally a liquid. If anyone can provide any insight
I'd greatly appreciate it.