Item description Just after extracting the gallstones with the cattle you will find washed thoroughly with cold h2o to eliminate blood clots, impurities etc. After washing They're dried for two to a few months in a very dark and perfectly ventilated natural environment in a temperature of approx. 20 degrees https://sethlgjrw.total-blog.com/5-simple-statements-about-cow-gallstones-for-sale-explained-51339034