Rocks and Minerals Quiz

A naturally occurring inorganic solid that has a crystal structure, a definite chemical composition, and distinct physical properties

• Rock
• Bone
• Crystal structure
• Mineral

A solid whose atoms are arranged in a regular, repeating pattern.

• Luster
• Color
• Crystal Structure
• Cleavavge

The way in which a mineral reflects light

• Luster
• Streak
• Color
• Fracture

The standard scale against which the hardness of a mineral is rated

• Mohs hardness scale
• Marks hardness scale
• Wegener's theory of continental drift
• Lehmann's layers of the Earth

The color of a mineral in powdered form

• Color
• Luster
• Streak
• Cleavage

The tendency of a mineral to break along places to make smooth surfaces

• Fracture
• Hardness
• Breakage
• Cleavage

Describes how a mineral looks when it breaks apart in an irregular way

• Fracture
• Cleavage
• Breakage
• Hardness

The ratio of the mass of a substance to the volume of the substance. No matter the size of the mineral, this property does not change

• Size
• Color
• Luster
• Density

Special, unique properties some minerals have

• Fluorescence, magnetism, radioactivity, reactivity, smell, taste
• Crystal structure, luster, color, density, streak, hardness, cleavage/fracture

The first thing you notice about a mineral, not the most helpful for mineral identification

• Streak
• Density
• Crystal Structure
• Color