Fluorite quartz is the most colorful gemstone in the world. Fluorite quartz pendant can absorb negative energy and turn the bad energy into good one. The fluorite quartz pendant comes with one hook plated with silver and the dimension of it is approx. 1 3/8 in length. It is make out of natural stone. Warning: This item can expose you to chemicals which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov . Chain is not included.