Rocks & Minerals Crossword Puzzle


Rocks & Minerals list
carbonates
cleavage
color
contact
crystal
diaphaneity
erosion
fluorescence
fracture
halides
hardness
hydroxides
igneous
luster
magnetism
metamorphic
mineral
native
oxides
phosphates
plutonic
pressure
regional
rock
sedimentary
silicates
specific
streak
sulfates
sulfides
tenacity
volcanic
Across
1. _____ is the sensation detected by our eyes as a result of the way objects reflect or emit light.
3. _____ contain carbon and oxygen.
7. _____ contain sulfur and another element that is not oxygen.
11. _____ gravity describes the density of a mineral compared to the density of water.
12. _____, or extrusive, igneous rocks are formed when magma reaches Earth's surface as lava.
15. _____ contain oxygen and hydrogen.
17. _____ refers to the character of light reflected by a mineral, and can be either metallic or non-metallic.
19. _____ rock is formed at Earth's surface by accumulation and sedimentation.
21. A mineral's _____ can be determined using a magnet.
24. _____ rocks are formed from the cooling of magma or lava.
26. _____ metamorphism occurs when sediments are buried deep under the ground.
27. _____ contain fluorine or chlorine.
28. A _____ is a naturally occurring solid aggregate of one or more minerals.
29. _____ contain sulfur and oxygen.
30. _____ refers to the way minerals break where they aren't weak.


Down
1. _____ refers to the planes along which minerals break.
2. _____ refers to how resistant minerals are to breaking.
4. _____, or intrusive, igneous rocks are formed when magma cools or crystalizes within Earth's crust.
5. _____ metamorphism occurs when both heat and pressure are involved, usually in mountain building regions.
6. Before being deposited, sediments are formed by weathering and _____ .
8. _____ refers to the ability of light to pass through the mineral.
9. _____ is resistance to scratching or abrasion.
10. _____ elements include iron, gold, silver, and copper.
11. _____ refers to the color of the mineral when it is scratched or powdered.
13. An intrusion of magma that heats the surrounding rock causes _____ metamorphism.
14. _____ contain phosphorus and oxygen.
16. _____ is the emission of light by a substance when subjected to ultraviolet light.
18. _____ contain silicon and oxygen.
20. _____ rocks are formed by subjecting rocks to different temperatures or pressures from when they were formed.
22. A _____ occurs naturally, is stable at room temperature, is represented by a single chemical formula, is abiogenic, and has ordered atoms.
23. _____ habit refers to the geometric shape of parts of a mineral.
25. _____ include water, nitrous oxide, sand, quartz, and rust.