Across
- 4. the way minerals reflect or absorbs light
- 5. molten rocks stored beneath the earth's surfaces
- 7. rare attractive material
- 10. a naturally occurring solid with a definite chemical composition
- 11. when particles dissolve into liquid and melt and form a crystal
- 12. a member of the mineral group that has silicon and oxygen
- 14. the resistance of a mineral
Down
- 1. a rock that contains high enough concentrations of a desired substance
- 2. magma that erupts to the surface
- 3. a mineral breaks with smooth flat surfaces
- 6. mass divided by volume
- 8. scientists who study the distribution of minerals and their uses
- 9. the color of a mineral in powdered form
- 13. when a mineral breaks and forms uneven surfaces