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Across 5. particles deposited as loosely packed sediment 9. look and feel of a rock surface 11. igneus rock forms when magma hardened beneath Earths surface 14. particles carried away from their source by water or wind 15. igneus rock forms when lava erupts and cools 16. material formed from oxygen and silicon 18. example of a mineral with cleavage 19. metamorphic rocks with grains arranged in parallel layers 20. mineral that is a source of metal 21. one of three major groups of rocks 3 23. slow cycle that builds, destroys and changes Earths surface 24. if a mineral is more dense than water it will 25. when elements and compounds that are dissolved in water leave a solution, this occurs 28. type of sedimentary rock formed whenparticles squeezed together 29. one of three major groups of rocks 2 30. particles squeezed together under great pressure 34. the crystals of each mineral grow atom by atom to form that mineral's : 36. polyp like animal that has calcium carbonate skeleton 37. hardest mineral of all, its also used for _______________ 38. characteristic property of a mineral used to identify it, color of its powder 40. when liquids cool to a solid state they form 43. characteristic of mineral,formed by processes in natural world 45. narrow channel or slab of rock 46. softest mineral of all, its also used for ___________ 47. one of three major groups of rocks 1 48. particles glued together as mineral solutions harden 49. mineral that breaks in an irregular way is said to have 50. characteristic property of a mineral used to identify it, how light is reflected on its surface 51. forms when particles of other rocks or remains of plants and animals are cemented together 52. hard colorful mineral 54. mixture in whic one substance is dissolved in another 55. mineral that splits easily is said to have 56. ancient Egytians used it for statues 57. characteristic property of a mineral used to identify it, based on a scale

Down 1. characteristic of mineral, always contains certain elements in definite proportions 2. characteristic property of a mineral used to identify it, easily observed by sight 3. type of sed rock formed when remains of plants and animals deposited 4. forms when existing rock is changed by heat, pressure or chemical reactions 6. rocks are made of particles of minerals or other rocks that geologists call 7. example of a mineral with fracture 8. density of water 10. if a mineral is less dense than water it will 12. mineral property that makes it reacts chemically to acids 13. characteristic of mineral, its particles are packed together tightly 17. type of sed rock formed when minerals dissolved in solutions crystallize 22. characteristic property of a mineral used to identify it, mass in a given space 26. example of a flourescent mineral 27. mineral property that makes it glow under UV light 31. characteristic of mineral, pattern that repeats itself 32. searches for a ore deposit 33. metamorphic rocks grains arranged randomly 35. example of a mineral with reactivity 39. example of metamorphic rock 1 41. characteristic of mineral, it cant form from materials that were once part of living things 42. forms from the cooling of magma or lava 44. example of sedimentary rock 47. example of metamorphic rock 2 53. gemstones that are cut and polished