It does look very much like flecks of tea. You are looking at the top of the scoby. Here's another picture that probably makes more sense.
Anyway, the lady who gave me the scoby found dark spots on one of hers and threw it away because it isn't something she'd seen before. She offered to bring another one by to replace this one, but I'd like to figure out if there's something truly wrong with it before it dispose of it. So I guess the question is, if it's not tea, than is it a normal? I did use loose leaf tea (but strained it out), so that's what I'd assume if the person who gave it to me wasn't having the same problem.