_________ are hard, colorful minerals that have a brilliant or glassy luster

Metals are useful because they can be stretched into wire, flattened into sheets, and hammered or molded___________

Quartz is a mineral found in

Which of the following is not a step in producing metals from minerals?

Geologists can map the size and shape of an _______ deposit containing ________ iron or nickel

What type of mine would be used to get to minerals close to Earth's surface

Which is not a step in the smelting process?

______ is a solid mixture of 2 or more elements, one of which is a metal

A rock containing a desired mineral must be _______ to extract the metal

Which type of mine is made by digging a tremendous hole?

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