Across
- 1. A soft mineral used in making plaster and drywall.
- 3. A fine-grained, translucent form of gypsum.
- 4. A type of limestone that contains magnesium.
- 8. A sedimentary rock composed mainly of the mineral dolomite.
- 10. A sedimentary rock, often used in building materials.
- 12. A light-colored volcanic rock with high silica content.
- 15. A sedimentary rock composed mainly of sand-sized particles.
- 18. The process by which rocks change form due to heat or pressure.
- 20. A fine-grained rock formed from compacted silt.
- 21. A small, rounded stone often found in riverbeds.
- 23. A hard, compact mass of mineral matter.
- 26. A hard, metamorphic rock formed from sandstone.
- 27. A volcanic glass formed from rapidly cooling lava.
- 29. A carbonate mineral often found in marine environments.
- 31. A volcanic rock, typically found in volcanic arcs.
- 32. A coarse-grained igneous rock, similar to basalt.
- 33. A hard, durable rock often used in countertops.
- 34. Small pieces of rock or ash from a volcanic eruption.
- 35. A rock formed from volcanic ash and debris.
Down
- 2. A fine-grained rock that can be split into layers.
- 3. A hard, high-grade form of coal that is shiny and black.
- 5. A hard, sedimentary rock used for making tools.
- 6. A coarse-grained sedimentary rock made of rounded particles.
- 7. A soft mineral, often used in talcum powder.
- 9. An iron oxide mineral often found in sedimentary rocks.
- 11. A human-made pile of stones, typically used as a marker.
- 13. A metamorphic rock that can be split into thin layers.
- 14. A common volcanic rock that is dark and dense.
- 15. Layers of rock, typically visible in cliffs or canyons.
- 16. A metamorphic rock often used in sculptures and tiles.
- 17. A soft, white, sedimentary rock, often used in writing.
- 19. A large rock, often found in mountainous regions.
- 21. A light, porous volcanic rock formed by rapid cooling.
- 22. A metamorphic rock with visible layers or bands.
- 24. A mineral commonly found in igneous rocks, often clear.
- 25. A rare, metallic mineral often found in igneous rocks.
- 28. A type of clay formed from volcanic ash.
- 30. Particles of rock that are deposited by wind, water, or ice.