Rock-Forming Minerals Quiz

Which of the following is NOT considered a mineral?

• Calcite

• Tube ice

• Quartz

• Snowflake

What term describes the way light reflects off a mineral's surface?

• Hardness

• Luster

• Cleavage

• Streak

Which mineral property is measured by the Mohs scale?

• Specific gravity

• Hardness

• Color

• Luster

What is the term for the color of a mineral in powdered form?

• Cleavage

• Luster

• Streak

• Hardness

Which property describes a mineral's tendency to break along flat surfaces?

• Streak

• Cleavage

• Fracture

• Luster

What is the most stable basis for classifying minerals?

• Physical properties

• Crystal form

• Chemical composition

• Color

Which mineral group contains the most abundant elements in the Earth's crust?

• Oxides

• Sulfides

• Carbonates

• Silicates

Which mineral is primarily composed of silicon dioxide?

• Olivine

• Mica

• Quartz

• Calcite

Which mineral is commonly used in ceramics?

• Plagioclase feldspar

• Amphibole

• Quartz

• Mica

Which mineral is a major component of limestone?

• Olivine

• Calcite

• Quartz

• Pyroxene