Hello MP, It happens, it is not that uncommon to find more than one space group in a drop, nor different morphologies (same or different space groups). Cheers, tom From: CCP4 bulletin board [mailto:[log in to unmask]] On Behalf Of Murpholino Peligro Sent: Friday, 24 June 2016 6:22 PM To: [log in to unmask] Subject: [ccp4bb] Is it very unusual to find two or more crystal forms in a crystallization drop? Hi everybody. I just was curious .... How often it is to find two or more crystalline forms in a single crystallization drop? Is it very common or is it way to rare? Thanks for your answers MP