Ammonite Cast Bismuth

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Laboratory grown Bismuth poured into ammonite negatives as a cast. Bismuth is a brittle, hard metal with a stepped crystalline structure and low melting point. Though it naturally has a silvery-white color similar to tin, it takes on a distinctly iridescent appearance when oxidized. Material: Bismuth (Bi)Weight: ~0.2 lbsDimensions: ~1.75" DiameterMade in England Used for display purposes only. Please note that each specimen is unique and may differ slightly from the photograph. Show more