Stibnite is a lead sulfide of Antimony otherwise called Antimonite. Stibnite, called antimonite, is a sulfide mineral with the scientific formula: Sb2S3. Stibnite is found mainly in China, however, other areas where it may be naturally occuring include Romania, Brazil, Japan, Canada and South Africa. Stibnite brings stability in ones life that helps to calm ones environment. Stibnite is toxic and precautions should be taken when such specimens are handled- such as hand washing and using gloves when handling. As an antimony sulfide, it is potentially toxic and should be handled with care.