| A | B |
|---|
| monomineralic | rock containing only one mineral |
| luster | the way a mineral reflects light |
| bedrock | solid material beneath the regolith |
| polymineralic | rock composed of more than one mineral |
| geode | a rocky sphere containing mineral crystals |
| regolith | loose material covering the earth |
| hardness | the property of a mineral to resist being scratched |
| mixture | two or more different substances present |
| compound | a chemical combination of two or more elements |
| lithosphere | continuous shell of solid rock around the earth |
| streak | the color of a mineral in powdered form |
| cleavage | the splitting of a mineral into pieces into smooth, flat surfaces |
| color | the shade of a mineral |
| minerals | the different substances that make up rocks |
