Two ore minerals that are commonly comprised of pure metals and contain only a single element are native __________ and __________.
A) gold, silver
B) galena, silver
C) quartz, gold
D) silver, olivine
Correct Answer:
Verified
Q14: _ _is the characteristic shape of an
Q15: Two common carbonate minerals are _ and
Q16: _ is the color of a fine
Q17: A scale that compares the resistance of
Q18: The tendency of some minerals to break
Q20: A mineral that is valued for its
Q21: Ninety-two percent of the Earth's crust is
Q22: Which of the following describes a crystal?
A)
Q23: Quartz is composed of _.
A) silicon and
Q24: The basic unit of all silicates is
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