* Concentration: Mineral deposits are not evenly distributed. They form in specific geological environments, creating concentrated areas where the mineral is present in high enough quantities to be economically viable to extract.
* Accessibility: Mined minerals are often deep underground or in remote locations. It's easier and cheaper to extract them from the places they naturally exist.
* Transportation Costs: Moving large amounts of raw materials over long distances is expensive. Mining near the source minimizes transportation costs.
* Processing: Many minerals require processing before they can be used. Having the mines close to processing plants makes it more efficient.
* Labor: Mining often requires a significant workforce. It's easier to establish a mining operation in a region where there is a readily available workforce.
In short: It would be illogical and impractical to mine a mineral in a place where it doesn't naturally occur. The costs associated with transporting, processing, and labor would be significantly higher than mining it where it's found.