Mineral Uses

Front

What is the method of determining a mineral's hardness by scratching it against a glass plate?

Back

Scratching a mineral against a glass plate is a method of determining its hardness.

Front

What is an ore of aluminum?

Back

Bauxite is an ore of aluminum.

Front

Which mineral is known for being soft and flaky, making it useful in beauty supplies?

Back

Talc is soft and flaky, making it useful for beauty supplies.

Front

What mineral property is illustrated by the way a mineral breaks along flat surfaces?

Back

Cleavage is the mineral property illustrated by the way a mineral breaks along flat surfaces.

Front

What is the name of the dark, rock-forming mineral from the hornblende group?

Back

Amphibolite is a dark, rock-forming mineral from the hornblende group.

Front

What is the term for the color of the powder left behind when a mineral is scratched on a porcelain plate?

Back

Streak is the term for the color of the powder left behind when a mineral is scratched on a porcelain plate.

Front

What is the definition of a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What property of minerals describes their resistance to being scratched?

Back

Hardness describes a mineral's resistance to being scratched.

Front

What is the significance of cleavage in minerals?

Back

Cleavage indicates how a mineral breaks along specific planes, which can help identify the mineral.

Front

What mineral is commonly used in the production of steel?

Back

Hematite is commonly used in the production of steel.