| A | B |
|---|
| Element | a substance that cannot be separated into simpler parts by ordinary chemical means. |
| Compound | made up of atoms of different elements that are bonded together |
| Mixture | two or more substances physically combined. They can be separated by physical means. |
| Mineral | a naturally occurring, inorganic, solid that has a definite chemical composition and crystal structure. |
| Color | a property of a mineral that is used to identify it. |
| Luster | describes the way a mineral reflects light from its surface. |
| Hardness | the ability of a mineral to resist being scratched. |
| Streak | the color of the powder scraped off a mineral when it is rubbed against a hard rough surface. |
| Density | the amount of matter in a given space. |
| Crystal Shape | is the arrangement of the atoms and molecules of the mineral. |
| Cleavage | the tendency of a mineral to split along smooth, definite surfaces. |
| Fracture | the tendency of mineral to break along rough jagged surfaces. |
| Metallic | Having a quality suggesting or associated with metal |
| Transparent | transmitting light; able to be seen through with clarity |
| Vitreous | Of, relating to, resembling, or having the nature of glass |
| Opaque | Not reflecting light; having no luster: an opaque finish. |
| Translucent | Transmitting light but unable to see through with clarity |
