collar bones usually heal pretty well. ive broken mine twice without any lasting effects.
id suggest taking it easy and working on your edge control at lower speeds and gain your confidence back. there is a point youll get too where catching an edge amost never happens.you just gotta take your time and get there. i broke both of my wrists at the same time catching an edge like 6 or 7 years ago. wasnt long before i was back on the hill and progressing...