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sixpenceee: Bismuth Crystals are beautiful. They have an interesting geometric form and are rainbow-colored from the oxide layer that quickly forms on them. Here’s a website that has instructions on how to make them. 
sixpenceee: Bismuth Crystals are beautiful. They have an interesting geometric form and are rainbow-colored from the oxide layer that quickly forms on them. Here’s a website that has instructions on how to make them. 
sixpenceee: Bismuth Crystals are beautiful. They have an interesting geometric form and are rainbow-colored from the oxide layer that quickly forms on them. Here’s a website that has instructions on how to make them. 
sixpenceee: Bismuth Crystals are beautiful. They have an interesting geometric form and are rainbow-colored from the oxide layer that quickly forms on them. Here’s a website that has instructions on how to make them.