| A | B |
|---|
| cleavage | when a mineral breaks along clean planes |
| color | easily observed simply by looking at the mineral |
| crystal structure | particles line up in a repeating pattern |
| definite chemical composition | when a mineral always contains the same material and is made of either an element or a compound |
| density | the amount of mass in a given space |
| fracture | when a mineral breaks unevenly and jagged |
| hardness | a measure of a mineral's resistance to being scratched |
| inorganic | not alive or made from the remains of living things |
| luster | how light is reflected from a mineral's surface; how shiny a mineral is |
| naturally occurring | made in the natural world; not made by humans |
| solid | has a definite volume or shape |
| special properties | properties that only some minerals have, such as magnetism or fluorescence |
| streak | the color of a mineral in powdered form |
| graduated cylinder | an instrument that measures volume |
| density formula | mass divided by volume |
| mass | the amount of matter that is in an object |
| volume | the amount of space an object occupies |
| gram | a unit of mass in the metric system |
| liter | a unit of volume in the metric system |
| triple beam balance | an instrument that measures mass |
