| A | B |
|---|
| Pure element | made of one kind of element; gold, copper |
| Fracture | uneven splitting of most minerals |
| Diamond | hardest mineral |
| Talc | softest mineral |
| luster | how light is reflected from a mineral's surface |
| Conglomerate | sedimentary rock with rounded edges |
| Foliated rock | can see the layers in the rock |
| Streak | the color of a mineral's powder |
| large crystals | form when magma cools slowly |
| Halite | made through evaporation |
| extrusive | formed at or above Earth's surface; lava |
| Shale | sedimentary rock formed when water deposits tiny particles of clay in thin, flat layers |
| grain | particles of minerals that give rocks texture |
| Deposition | sediment settles out of wind |
| Intrusive | formed below Earth's surface; magma |
| Nonfoliated Rock | Metamorphic rocks without visible layers; do not split in layers |
| Metamorphic rock | Rock changed through heat and pressure |
| cementation | dissolved minerals and particles stick together |
