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.
Tailbone Injury Symptoms. 1  Severe localized pain and tenderness may be felt in the tailbone area. 2  If the injury is traumatic, a bruise may be visible in this area. 3  The pain is generally worse when sitting for prolonged periods of time, or with direct pressure to the tailbone area.  Bowel movements and straining are often painful.