Exam 3: Minerals The Building Blocks of Rocks

Name three factors that determine whether a known mineral resource in an area can become a reserve.

Name one example for each of the following types of tetrahedra: isolated tetrahedra,single chain tetrahedra,double chain tetrahedra,sheet tetrahedra,and framework tetrahedral.

If a diamond is the hardest naturally occurring substance,how can one be "cut"?

For each of the following objects,state where it can be found,and what its charge is: proton,electron,nucleus.

The United States is self-sufficient in gold.

List,in increasing order of hardness,the minerals of the Mohs hardness scale.

The chemical formula of halite is NaCl.In simple terms,state how these atoms come together to form a solid mineral.

The relatively massive,positively-charged particles in the nucleus of an atom are called what?

Give an example of a ferromagnesian silicate.

Carbon-12 (C¹²),carbon-13 (C¹³),and carbon-14 (C¹⁴)are all ____________________ of the ____________________ carbon.

How many minerals are common?

Out of more than 100 chemical elements that have been identified in nature,how many are relatively abundant in Earth's crust?

How many mineral have been identified and described?