Common Minerals
This mineral is commonly worn in a wedding ring and is the hardest mineral
Diamond
Minerals must be this phase of matter
Solid
Rubbing the mineral on a streak plate
Streak test
This mineral is used in drywall
Gypsum
Not made by humans
Naturally occurring
Scratching the mineral to determine its resistance
Hardness
This mineral is a conductor in electrical wiring
Copper
Not produced by living organisms
Inorganic
How the mineral reflect light
Luster
This mineral is added to toothpaste to prevent tooth decay
Fluorite
Definite chemical composition
How the mineral breaks
Cleavage and fracture
This mineral is used for nuclear energy
Uranium
Atoms are arranged in an orderly, repeating pattern
Crystalline structure
Whether the mineral glows under ultraviolet light
Fluorescence