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Today's featured picture Electrolytically refined pure superficially oxidized lead nodules and a high purity 1 cm3 lead cube for comparison. Lead is a soft, malleable heavy metal. Its symbol is Pb, which comes from the Latin word plumbum. It is bluish-white when freshly cut, but it soon tarnishes to a dull gray when exposed to air.

Photo: Alchemist-hp Recently featured: HMCS St. John's (FFH 340) – Lion Tower, Lebanon – Sooty Oystercatcher