Gallstones form in your gallbladder, the small, pear-shaped organ where your body stores bile. They may be pebble-like pieces of focused bile materials. Bile fluid contains cholesterol, bilirubin, bile salts and lecithin. Gallstones are commonly made from cholesterol or bilirubin that collect at the lowest of your gallbladder till they harden into "stones."
Your gallbladder is a small, pear-fashioned organ that stores and releases bile. Bile is...