Elements or compounds that make up the mineral.

• Cleavage
• Fracture
• Chemical composition
• Hardness

The measure of how easily a mineral is scratched.

• Cleavage
• Fracture
• Chemical composition
• Hardness

Composed of crystals, a solid geometric form that results from a repeating pattern.

• Inorganic
• Luster
• Crystalline Structure
• Matter 

Is not living and has never been alive.

• Inorganic
• Luster
• Crystalline Structure
• Matter 

The ability of a material to reflect.

• Inorganic
• Luster
• Crystalline Structure
• Matter 

Anything that has volume and mass.

• Inorganic
• Luster
• Crystalline Structure
• Matter 

A natural, inorganic, solid material that is made of crystals, and had a chemical composition.

• Mohs Hardness Scale
• Mineral
• Naturally Occuring
• Streak

The color of the powder of a mineral left behind when it is scratched or ground up.

• Mohs Hardness Scale
• Mineral
• Naturally Occuring
• Streak

Natural processes that occur on Earth and throughout the Universe.

• Mohs Hardness Scale
• Mineral
• Naturally Occuring
• Streak

A rating system that compares the hardness of minerals based on their resistance to scratching.

• Mohs Hardness Scale
• Mineral
• Naturally Occuring
• Streak