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Bismuth is a stable heavy metal often used in cosmetics, pigments, and metallurgy as a non-toxic alternative to lead. The unusual crystal formation is the result of a higher growth rate around the outside edges than on the inside edges. An oxide tarnish on the originally gray metal creates the brilliant iridescent colors.

Let us pick one for your collection. Each specimen will vary in size and color from the ones shown. Individually sold.

In Stock: 20 · For in-store inquiries, use PLU 105301

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