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The rock itself

Ore minerals

A metal is not found as metal. It is locked in a specific mineral, at a specific concentration, in a specific kind of rock — and which mineral it is decides how it must be mined and processed.

Azurite-malachite-specimen Mineral specimen featuring azuri… · Δανάη Κωτσιομύτη · CC BY-SA 4.0 · Wikimedia Commons

Ore minerals

Sperrylite

Materials

The ground

The economy

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