Looks to me as if you have what we call "ice rings", i.e. crystalline powder diffraction. Plus what we call "salt", i.e. strongly diffracting small molecule crystal(s).
Fred. > Message du 20/02/11 14:47 > De : "Vandu Murugan" > A : CCP4BB@JISCMAIL.AC.UK > Copie à : > Objet : [ccp4bb] Strage image > > Dear All, > I mounted an aggregate with spikes on surface, that I saw in a well, and > got a image attached with this. It has concentric rings.. What it could > be? Any comments on it...? > > thanks, > - Wandu > > > [ image1.png (1493.9 Ko) ]