Ekanite

This is a gemstone that should not be worn under any circumstances. These highly radioactive gems can provide deadly cancer sickness. First discovered by Mr F. L. D. Ekanayaka in a Mine near Eheliyagoda in Sri Lanka. 

Rarely discovered these can be found in gem deposits of Sri Lanka , as well as mines in Russia and North America. These can have colors ranging from green to color of bee honey. Very rarely Star Ekanites, that is such ekanites glow as a stars were also discovered. They have the refractive index of 1.58 and ranging specific gravity between 2.95 to 3.28. Chemical composition contains either Ca₂ThSi₈O₂₀or (Ca,Fe,Pb)₂ (Th,U) Si₈O_20. These gemstones multiplies the risk of having cancer.