Carbonate Minerals Quiz

What are the three main carbonate minerals mentioned in the lecture?

• Aragonite, Calcite, and Dolomite

• Quartz, Clay, and Pyrite

• Hematite, Chert, and Phosphate

• Gypsum, Anhydrite, and Halite

Which carbonate mineral is chemically metastable?

• Aragonite

• Calcite

• Dolomite

• Quartz

What is the chemical formula for calcite?

• CaCO₃

• CaMg(CO₃)₂

• SiO₂

• Fe₂O₃

Which carbonate mineral does not react with hydrochloric acid (HCl)?

• Aragonite

• Calcite

• Dolomite

• Both a and b

What is the crystal system of aragonite?

• Orthorhombic

• Rhombohedral

• Cubic

• Hexagonal

Which carbonate mineral has high-Mg and low-Mg varieties?

• Aragonite

• Calcite

• Dolomite

• Quartz

What is the chemical formula for dolomite?

• CaCO₃

• CaMg(CO₃)₂

• MgCO₃

• CaSO₄

How does the solubility of carbonates change with increasing temperature?

• Increases

• Decreases

• Remains constant

• Fluctuates randomly

Which carbonate mineral is more soluble?

• Aragonite

• Calcite

• Dolomite

• They are equally soluble

Where are most carbonates produced?

• Cold, deep marine waters

• Warm, tropical marine waters

• Freshwater lakes

• Terrestrial environments