Both my breast are rock hard and crusty one hurts I get a burning pain in my armpit?

Need eval. You need to get an eval, and may need a diagnostic Mammogram (with Ultrasound) to be safe. Best wishes.
Mammogram. Have you had your mammogram done? Please see your doctor get further diagnostic work up.
Breast issue. How long have you been experiencing your symptoms? That is definitely worrisome. You should see a doctor for evaluation today! I wish you the best!
Serious. Your symptoms are serious enough to warrant an immediate visit to your family physician. This could be a cancer.