Which of the following are all examples of minerals?
A) bronze, steel, glass, aluminum, pencil lead
B) gold, silver, uranium, lead, silica, iron
C) copper, feldspar, quartz, topaz, diamond, corundum
D) water, mercury, metallic hydrogen, limestone
E) petroleum, coal, iron, feldspar, basalt

Question

Quizplus · Accepted Answer

Minerals are naturally occurring, inorganic solids with a definite chemical composition and a crystalline structure. Choice C lists copper, feldspar, quartz, topaz, diamond, and corundum, all of which fit this definition. The other choices include items that are either not naturally occurring, not inorganic, or not solids with a crystalline structure.

Which of the Following Are All Examples of Minerals