For each pair of terms, explain how the meanin of the terms differ.

silicate mineral and nonsilicate mineral

Explain how magnetism can be useful for identifying minerals.

** Name** six types of nonsilicate minerals.

List five special properties that may help to identify certain minerals.

For each question, write on a separate sheet of paper the letter of the correct answer. Which mineral can be scratched by a fingernail, which has a hardness of $2.5$ on the Mohs scale?

A. diamond

B. quartz

C. topaz

D. talc

Use each of the following terms in a separate sentence.

cleavage