When a mineral contains certain elements in definite proportions.
Definite chemical composition.
The color of a mineral's powder.
Streak.
Hardest known mineral.
Diamond
This is another way of saying no materials were once part of living things.
Inorganic.
The repeating pattern of a mineral's particles forms this solid.
Crystal.
Jagged edges after being split.
Fracture.
Reason bricks are not considered a mineral.
Not naturally occurring.
Term used to describe how a mineral reflects light from its surface.
Luster.
Softest mineral on Mohs hardness scale.
Talc.
Reason oil is not a mineral.
Not solid.
This equals mass divided by volume.
Density.
This is what Mohs scale measures.
Hardness.
Reason coal is not a mineral.
Organic.
The least reliable method of identifying minerals.
Color.
Name given to minerals that split easily along flat surfaces.
Cleavage.