| A | B |
| TEXTURE | The size, shape, and pattern of a rock's grains. |
| DULL | Not bright or shiny; not able to reflect light. |
| FORMATION | A pattern or shape. |
| GLASSY | Shiny and smooth. |
| HARDNESS | A property of a mineral. It is tested by scratching a mineral with different objects. The harder the mineral, the more difficult it is to scratch. |
| LUSTER | A property of a mineral. It is described by how the mineral reflects light. |
| MAGNETISM | The abilty to attract iron or metal. |
| MOHS SCALE | A system used to determine the hardness of minerals. |
| OPAQUE | Not able to let light pass through. |
| PHYSICAL PROPERTY | A characteristic of an object that can be studied through the senses. |
| PROPERTY | Something about an object that helps tell what it is. |
| SCRATCH | To cut or scrape. |
| STREAK TEST | A test used to determine the identifying color of a mineral. |
| TRANSLUCENT | Able to let some light pass though. |
| TRANSPARENT | Clear; able to let light through. |
| WAXY | Looking like wax; dull. |
| WEATHER | To age and break down as a result of the effects of wind, rain, and ice. |