Stibnite is sometimes called "Antimonite".  Stibnite is antimony sulfide mineral.  Striking metallic crystal structure.  Stibnite is thought to encourage deep relaxation and stress relief, yet it is also stimulating.  It can improve focus and concentration; while helping one ignite and pursue one's desires.   30mm - 38mm at largest dimension.  This listing is for one stibnite crystal, our choice.