Black Dot Earlobe Earring Help Please!?

Earring Help Please!? - black dot earlobe

Recently, I received my cartlidge for the second time I have a pair of pierced earrings in the earlobe my second hole. I decided, was the second cartlidge ready to be changed. If I (ear) Theres black / purpleish points or something in my ear Unmarked IVE (not yet done for these 2 1 / 2 years). I do not know how or why he was here. Can anyone help?