Question

precious metallic mineral
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Answer 1

Answer:

Gold, silver, and platinum are the main precious metals, and other lesser known ones are iridium, osmium, palladium, rhodium, and ruthenium. Precious metals are distinguished from industrial metals such as copper, iron, and nickel.

Answer 2

Explanation:

Gold, silver, and platinum are the main precious metals, and other lesser known ones are iridium, osmium, palladium, rhodium, and ruthenium. Precious metals are distinguished from industrial metals such as copper, iron, and nickel.