Bismuth stone raw piece, an element with a fascinating crystal structure. Dimensions approximately 20X10 MM. The weight is in the range of 3-6 grams on average. Price is for 1 piece.
Bismuth occurs in nature as oxides (Bi2O3), sulfur (Bi2S3) and (BiO)2CO3. Bismuth is considered an element that is also used in the treatment of some stomach and intestinal diseases.