Problem 2
Explain the difference between the vocabulary words in each of the following sets. $$ \text { crystal-mineral } $$
Problem 2
Which of the following is a common rockforming mineral? A. azurite C. quartz B. gold D. diamond
Problem 3
Which term refers to the resistance of a mineral to scratching? A. hardness C. luster B. specific gravity D. fracture
Problem 3
Explain the difference between the vocabulary words in each of the following sets. $$ \text { luster-streak } $$
Problem 4
Which is a special property of the mineral magnetite? A. attracted by a magnet B. fizzes with dilute hydrochloric acid C. forms a double image D. has a salty taste
Problem 4
Explain the difference between the vocabulary words in each of the following sets. $$ \text { magma-crystal } $$
Problem 5
Which causes some minerals to break along smooth, flat surfaces? A. streak C. luster B. cleavage D. fracture
Problem 6
Which of these forms in cracks or along faults? A. bauxite B. silicates C. vein minerals D. rock-forming minerals
Problem 6
Explain the difference between the vocabulary words in each of the following sets. $$ \text { ore-mineral } $$
Problem 7
Explain the difference between the vocabulary words in each of the following sets. $$ \text { crystal-luster } $$
