Rocks and Minerals Answer Sheet Holt Invitational 2014 Station 1: Station 4: A. A. Chalcedony Quartz B. B. Citrine Quartz C. C. Milky Quartz D. D. Amethyst Quartz E. E. Rose Quartz F. F. Jasper Quartz G. Agate Quartz Station 2: A. Station 5: B. A. Bauxite C. B. Queensland, Australia D. C. None E. D. 2.3-2.7 E. Opaque F. Les-Baux-de-Provence in Southeastern France Station 3: A. B. Station 6: C. A. Diorite D. B. Plagioclase Feldspar, Hornblende, Biotite E. C. F. D. Ancient Egypt-statues, columns, lining of pyramids 5.5-6 G. E. Slow, deepseeded cool of magma Rocks and Minerals Answer Sheet Holt Invitational 2014 Station 7: A. 1. Talc Gypsum Calcite Fluorite Apatite Feldspar Quartz Topaz Corundum Diamond 2. 3. 4. 5. 6. 7. 8. 9. 10. B. a. Silicates b. Oxides c. Sulfides d. Carbonates e. Native Elements f. Halides g. Sulfates e 1. Minerals that form as individual elements f 2. Mineral that contain either chlorine or fluorine bonded to a metal a 3. Minerals that contain the two most abundant minerals in Earth’s crust b 4. Minerals that are made up of an ionic bond between a metal and oxygen c 5. Minerals that are made up of an ionic bond between a metal and silicon g 6. Mineral that contain oxygen and sulphur d 7. Minerals that contain CO3 Station 8: Station 9: A. Ulexite A. Sodalite B. “The TV Rock” B. 5.5-6 C. 2.5 C. 2.2-2.3 D. Georg Ludwig Ulex D. White Rocks and Minerals Answer Sheet Holt Invitational 2014 Station 10: A. A, C, G, E, B, D, F Station 14: A. 1400° C B. No Station 11: C. Olivine, Pyroxene, Amphibole, Biotite A. Obsidian D. Felsic B. 6-7 E. iii. 50% sodium, 50% calcium C. Natives used it for sharp tools D. Glass/amorphous solid Station 15: E. Granite A. Gneiss B. Yes Station 12: C. Structure, building A. Feldspar D. Regional metamorphic B. 6 E. Abraham Werner C. KAlSi3O8 D. Good-2 directions, poor-2 directions Station 16: E. White A. Biotite Mica B. Muscovite Mica Station 13: C. KAl3O10(OH)2 A. Oolitic Limestone D. Monoclinic B. Travertine Limestone E. Sectile, elastic C. Calcium Carbonate oolites D. It will “fizz” Rocks and Minerals Answer Sheet Holt Invitational 2014 Station 17: Station 20: A. Paleozoic A. Cooling and Crystallization B. Quarternary B. Deposition & lithification C. 2.6 Million C. Heat, pressure and stress D. Silurian D. Volcanic Eruptions E. Jurassic E. Melting F. Weathering and Erosion Station 18: A. Amazonite Station 21: B. Vitreous A. Scoria C. The Amazon River B. 5-6 D. KAlSi3O8 C. Vesicles E. Feldspar D. Extrusive E. On top of a basalt flow Station 19: A. Dolomite Station 22: B. Rhombohedral A. Calcite C. 2.8-2.9 B. White D. CaMg(CO3) C. Perfect-3 directions E. Fizzes D. Chalx “lime” E. 3 F. Barite, albite, & scapolite Rocks and Minerals Answer Sheet Holt Invitational 2014 Station 23: A. Topaz B. Perfect, 1 basal direction C. 8 D. Vitreous E. Hyacinth F. Al2SiO4(F1OH)2 Station 24: A. Gypsum B. 1-1.5 C. Perfect-1 direction, distinct-2 directions D. Gypsos-“plaster” E. Sedimentary F. 2.3-2.4 Station 25: A. 5730 yrs. B. 12.21 min. C. 12 g