Earth Science Collection, Introductory

Basic unit of 75 rocks and minerals demonstrates the major rock-forming minerals; the scale of hardness; and recognized physical properties. Unit includes 75 number-coded specimens, each size 1 1/4''' x 3/4'', a streak plate, magnet, magnifier and compartmented container. INTRODUCTORY EARTH SCIENCE COLLECTION Minerals in the Scale of Hardness 1. Talc 2. Gypsum var. Alabaster 3. Calcite 4. Fluorite 5. Apatite 6. Feldspar var. Microcline 7. Quartz 8. Beryl Igneous Rocks 40. Pumice 41. Scoria 42. Basalt 43. Rhyolite 44. Granite 45. Pegmatite 46. Diorite 47. Anorthosite 48. Tuff 49. Gabbro 50. Monzonite 51. Obsidian 52. Andesite 53. Trachyte Streak, Luster, Cleavage Fracture, Specific Gravity 9. Onyx 10. Spodumene 11. Galena 12. Chalcopyrite 13. Magnetite 14. Magnetite var. Lodestone 15. Gypsum var. Selenite 16. Gypsum var. Satin Spar 17. Limonite 18. Halite 19. Chalcedony 20. Barite 21. Lepidolite 22. Pyrite Sedimentary Rocks 54. Arkose 55. Fossiliferous Limestone 56. Bituminous Coal 57. Oolitic Limestone 58. Limestone 59. Calcareous Tufa 60. Travertine 61. Conglomerate 62. Shale 63. Breccia 64. Oil Shale 65. Sandstone Rock Forming Minerals 23. Mica var. Muscovite 24. Mica var. Biotite 25. Dolomite 26. Amphibole var. Hornblende 27. Feldspar var. Plagioclase 28. Olivine 29. Pyroxene var. Augite 30. Garnet 31. Sulfur 32. Graphite Schist Metamorphic Rocks 66. Amphibolite 67. Slate 68. Marble 69. Quartzite 70. Hornfels 71. Mica Schist 72. Chlorite Schist 73. Phyllite 74. Gneiss 75. Anthracite Coal Ores of Metals and Non-Metals 33. Molybdenite 34. Quartz var. Rose 35. Bauxite 36. Pyrolusite 37. Malachite 38. Hematite 39. Rhodinite WARNING: This product contains the mineral galena, a lead compound. Lead is known to cause cancer, birth defects or other reproductive harm. Wash hands thoroughly after handling all rocks and minerals.

• 75 Rock and Minerals

• Major rock-forming minerals

• Scale of hardness minerals

• Size 1 1/4'' x 3/4''

• Includes streak plate, magnet, magnifier