| A | B |
| mineral | a naturally formed solid that has a crystalline structre |
| element | cannot be separated or broken down by chemical means |
| compound | two or more elements joined by chemical bonds |
| crystal | solids that have a definite 3-d repeating pattern |
| silicate mineral | minerals that have silicon, oxygen and metals |
| non-silicate mineral | mineral that does not have oxygen and silicon |
| luster | the way a mineral reflects light |
| streak | color of the powder of a mineral |
| cleavage | splitting of a mineral along smooth, flat surfaces |
| fracture | mineral which breaks along curved or irregular surfaces |
| hardness | (Mohs Scale) resistance to scratching |
| density | ratio of mass to volume |
| ore | mineral that can bring in a profit |
| Reclamation | returning land to its original state after mining |