There is a hard solid lump a little smaller than pea size on the labia minora, no pain, no discharge, didnt even know it was there. what could it be?

Probably just a cyst: labial cysts are benign, but see gynecologist or derm to be sure at next visit. Unless it enlarges and/or becomes painful, in which case get in sooner

Bartholins gland: The Bartholin's glands are two small organs under the skin in a woman's genital area. They are on either side of the folds of skin (labia) that surround the vagina and urethra. Most of the time, you can't feel or see these glands.f a Bartholin's duct gets blocked, fluid builds up in the gland. The blocked gland is called a Bartholin's gland cyst If the cyst is infected, you will need treatment.