Mineral Composition and Structure

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In which group are all the earth materials classified as minerals?

Which mineral is mined for its iron content?

Which mineral is composed of Calcium and Fluorine?

Which statement is an accurate conclusion based on the information provided in the table?

The calcite breaks in smooth, flat surfaces because calcite

This mineral breaks in smooth, flat surfaces because it

Which element, found in both biotite mica and muscovite mica, makes up the greatest percent by volume of Earth's crust?

Which two rocks have the most similar mineral composition?