Minerals

Front

What is hardness in minerals?

Back

It's a measure of a mineral’s resistance to being scratched.

Front

Define a mineral.

Back

A naturally occurring, non-living solid that has a specific chemical make-up and a repeating structure.

Front

What is cleavage in mineralogy?

Back

Cleavage is the tendency of a mineral to break along flat, even surfaces.

Front

What mineral is often mistaken for gold due to its golden metallic luster?

Back

Pyrite.

Front

What is the term for a mineral's resistance to being scratched?

Back

Hardness.

Front

What is luster in minerals?

Back

Luster refers to the way light interacts with the surface of a mineral, indicating its shine.

Front

What is the difference between fracture and cleavage?

Back

Fracture is an irregular break, while cleavage is a clean break along specific planes.

Front

What is the streak of a mineral?

Back

The streak is the color of the powder produced when a mineral is dragged across a hard surface.

Front

What is a rock?

Back

A rock is a solid mass composed of one or more minerals or mineraloids.

Front

What is the Mohs scale?

Back

The Mohs scale is a scale used to measure the hardness of minerals, ranging from 1 (talc) to 10 (diamond).