1" Rough Bulk Madagascar Materials: 1 LB of Black Tourmaline, from JIC Gem Premium Natural 1" Rough Material from Madagascar.100% Natural, Hummer to 1" Chips. Good for Tumbling, Cabchons, Wire Wrapping, Reiki or Collecting. powerful stone to shield against negative energy, psychic attack,Put it on your garden or office,will play a very good decorative role . Many type of Stones Choice.1 LB & 3 LB Choice. when you receive,If you have any questions about this please feel free to contact us. Each and every specimen is unique and you will receive ones similar to the image shown.Because it is a natural stone, each material has its own characteristics,the product will be a little different with the picture samples.