Review for rocks and minerals ID TEST MONDAY! Written Test Tuesday Name these minerals: Sulfur Biotite mica graphite fluorite galena magnetite Name these minerals: pyrite Biotite Mica gypsum Bauxite Orthoclase feldspar hematite Name these minerals: Hematite Kaolinite halite Quartz Talc Calcite Muscovite Mica Name these rocks: Marble Schist Gneiss Limestone Shale Name these rocks: Sandstone scoria conglomerate granite pumice obsidian 1. 2. How are igneous rocks formed? From magma and lava What are the two TYPE of igneous and provide THREE examples of each? Intrusive- formed from magma inside the earth Ex: granite, gabbro, basalt Extrusive- formed from lava or volcanoes Ex: obsidian, scoria, pumice 3. How do Metamorphic rocks form? From heat and pressure 4. What are the TWO types of metamorphic rocks and provide TWO examples of each. Foliated- has layers EX: slate, schist, gneiss Non-foliate: has NO layers EX: marble, quartzite 5. How does the cooling rate impact the size of crystal in a rock? Cools Quickly (like volcanic) no crystals, cools slowly large crystals( Like granite) organic 6. Coal is _______________, meaning made up of living material. 7. 8. Quartz Which mineral has a hardness of 7? Luster ________________ is the way a mineral reflects light. List the FOUR types and provide an example of each. Glassy= quartz, halite Dull/earthy= corundum, kaolinite 9. Pearly, Waxy = muscovite mica, gypsum Metallic= graphite, galena Which minerals is the ores of iron, bauxite and lead? Hematite= iron Galena= lead Bauxite=aluminum Do Now-Sedimentary Rocks- PURPLE crossword on desk 1. List and Describe the THREE types of Sedimentary Rocks. Then, provide an example for each TYPE of sedimentary rocks. A. Clastic- Made up of piece of rocks that are cemented together. Example: sandstone or conglomerate B. Chemical- Made from chemical reaction of water and a given mineral C. example: Limestone and geodes Organic- Made up of living material Example: coal or limestone NAME THE TYPE THEN THE NAME OF THESE SEDIMENATRY ROCKS: Clastic Organic Chemical Shale Geode Conglomerate Do Now: 1.What is the difference between fracture and cleavage? Fracture has NO SPECIFIC shape in the way the mineral naturally breaks Cleavage does have some kind of specific shape in the way it breaks List 3 minerals with Cleavage: List 3 minerals with Fracture: 1. 2. 3. 1. 2. 3. Halite- Cubic Mica- This sheets Calcite- Rhombic Fluorite Graphite Sulfur 2. What is the difference between rocks and mineral? Minerals have specific chemical composition and chemical structure Rocks are made up of different minerals