Serpentine, also known as New Jade, derives its name from the Latin word serpentis meaning snake like referring to the resemblance these green stones have to snake skin. This stone was used by the Romans to protect them from sorcery and was believed to protect against parasites, snakebite, venom and poison.
Sharp, stabbing pain near coccyx during period. Patient : I'm a fourteen year old girl, my periods are normal, and I don't have any medical problems. My period started yesterday, and almost exactly when my period started, a sharp, almost stabbing pain began near my coccyx area. It's like in the middle of my tailbone.
In brief: Months to years. Coccydina, aka tailbone pain can come from mild to severe trauma of the tip of the tailbone. Sitting on a notched pillow (not a donut shaped pillow) can help. A steroid injection into the coccyx can be very effective. Rarely surgery is required. Time to call your family doc.