Across
- 1. certain wavelengths of incident light are absorbed
- 3. a gentle sheen or soft glow, especially that of a partly reflective surface
- 5. phases that form by sterical reconfigurations of structural patterns but without fundamental changes in bonding.
- 7. is the resistance of a mineral to scratching
- 8. molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface.
Down
- 2. a type of carbonate sedimentary rock which is the main source of the material lime
- 4. the geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
- 6. one of three main types of rocks