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The world’s top ten scarce rare metals metal alloy

1. Iridium Iridium is one of the really rare elements in the earth’s crust, typically accounting for only one ten-millionth of the planet’s overall mass. International iridium reserves are approximately 1,600 tons. Iridium has a high melting factor and incredibly firmness and is primarily utilized in the areas of electronic devices, chemistry, medication, and aerospace….

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