A naturally occurring substance from which a metal can be profitably extracted is known as

Naturally occuring substances from which a metal can be profitably (or economically ) extracted are called _________.

A mineral from which metal can be profitably extracted is called ……………

A mineral from which metal can be profitably extracted is called ……………

A mineral from which metal can be profitably extracted is called ……………

A mineral from which metal can be profitably extracted is called ……………

A mineral from which metal can be profitably extracted is called ……………

From which ore Al can be extracted profitably?