Do the most common magic mushrooms have a purple ring around steam?

Yes, some common species of magic mushrooms, particularly those in the Psilocybe genus, can exhibit a purple or bluish ring around the stem, especially when they are freshly picked or bruised. This discoloration is often a result of the oxidation of psilocybin, the psychoactive compound in these mushrooms. However, not all magic mushrooms display this feature, so it's essential to identify them accurately based on multiple characteristics. Always exercise caution, as many mushrooms can be toxic or deadly.