Natural Bismuth Ore,Rainbow Bismuth, Metal Crystal,Crystal Gifts,Mineral Specimen,Home Decoration,Rainbow Bismuth, Metal Crystal

• Bismuth is a chemical element with the symbol Bi and atomic number 83.
• The iridescent rainbow of colors is caused by light scattering off thin layers of bismuth oxide formed when the surface of the hot bismuth reacts with the air.
• Crystal bismuth will be oxidized during the production process, resulting in a variety color of the oxide film, it is very bright!
• Metal bismuth is a magnificent crystal which grows up in artificial environment. Each piece of bismuth crystal is unique and different from all other ones, so it's very meaningful to consider it as a gift to your relatives, friends, teacher and classmates.
• Bismuth chemically resembles arsenic and antimony. Bismuth is the most naturally diamagnetic element, and has one of the lowest values of thermal conductivity among metals.

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