text: this guy has a great page about it:\nhttp://www.theodoregray.com/PeriodicTable/Elements/083/index.s7.html\n\nand it points to some kid's high school project about .. da da, bismuth crystal formation!\nhttp://www.theodoregray.com/PeriodicTable/Samples/083.x3/ScienceFair2.html\n\nhope this helps.