E/S MIDTERM REVIEW

Front

What is the property of minerals that describes the tendency of a mineral to break along flat surfaces?

Back

Cleavage

Front

What property of minerals describes the resistance of a mineral to being scratched?

Back

Hardness

Front

What is the property of minerals that describes the way a mineral breaks when it is not along flat surfaces?

Back

Fracture

Front

What property of minerals describes the color of the powdered form of a mineral?

Back

Streak

Front

What property of minerals describes the way light reflects off the surface of a mineral?

Back

Luster

Front

What is the term for the measure of how easily a mineral can be scratched?

Back

Hardness

Front

What is the difference between cleavage and fracture in minerals?

Back

Cleavage is the tendency to break along flat surfaces, while fracture is the way a mineral breaks irregularly.

Front

What is the Mohs scale?

Back

A scale that ranks minerals based on their hardness from 1 (talc) to 10 (diamond).

Front

What does luster indicate about a mineral?

Back

Luster indicates how light interacts with the surface of a mineral, describing its shine or dullness.

Front

What is the significance of streak in mineral identification?

Back

Streak helps identify minerals by showing the color of the powdered form, which can differ from the mineral's appearance.