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The tip of the Washington Monument is made from a block of aluminum.
On a breezy December 6, 1884, the 36-year construction of the Washington Monument was completed with the placing of an 8.9 inch tall, 100-ounce pyramid of solid aluminum atop the capstone. Why not silver or gold? Why a commonplace metal that we routinely buy rolls of in the grocery store or drink beverages from every day?
Aluminum is indeed one of the most common elements in the earth’s crust, after silicon and oxygen, but it does not naturally occur in metallic form and in the late 19th century was difficult to process. Its most important ore is bauxite, named after the French castle Les Baux, in Provence, where it was first discovered.
Lee Iacocca raised over $350 million to fix Lady Liberty whose torch-bearing arm was corroded and swayed perilously in strong winds. But despite raising the money, his undiplomatic ways got him fired as chair of the statue's restoration work.