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Praseodymium try a delicate, silvery, malleable and ductile material, cherished because of its magnetic, electrical, chemical substances, and you can optical characteristics. Praseodymium is the 3rd member of the new lanthanide show and that is generally said to be one of many rare-world precious metals. Bismuth is actually a great weak metal having an excellent silvery white colour when recently produced, however, skin oxidization will offer they a red tinge.