Which of the following best characterizes ferromagnesian silicates
23) Which of the following best characterizes ferromagnesian silicates? A) They are black to dark-green, silicate minerals containing iron and magnesium. B) They are mostly clear, colorless, and rich in the elements magnesium and ferrium. C) They contain magnetite and ferroite and they are clear to light green. D) They contain iron and magnetite, are […]
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