Dr Helen Lang Dept of Geology Geography West Virginia University FALL 2014 GEOLOGY 284 MINERALOGY GEOLOGY 284 MINERALOGY Professor Dr Helen Lang Office 249 Brooks Hall e mail Helen Lang mail wvu edu Phone 304 293 5469 Office Hours MW 10 30 a m 12 30 p m Teaching Assistants Lynnette Eichenlaub Office 236 Brooks Hall laeichenlaub mix wvu edu Derek Weicht Office 223 Brooks Hall dcweicht mix wvu edu Labs are in 305 Brooks Hall We will have lab this week Lab 002 Lab 003 Lab 004 Lab 006 12 30 2 20 Tuesday 12 30 2 20 Thursday 2 30 4 20 Wednesday 12 30 2 20 Wednesday Check out The Class Web Site Go through the Geology Geography Department Web Page http www geo wvu edu to Dr Lang s Teaching Page and Geol 284 or Go directly to Geol 284 Web Page http pages geo wvu edu lang Geol284 geol284 htm The Textbook Mineralogy 3rd Edition by Dexter Perkins 2011 The Syllabus Field Trips September 27 and November 8 Carnegie Museum of Natural History in Pittsburgh You must go on at least one field trip or complete the exercise on your own time Lecture Schedule see syllabus and Web site Readings Test dates Lab Schedule The Class GEOL 284 Mineralogy Intended mostly for geology majors The first major s class for most geology majors What is Mineralogy The study of Minerals OK then what s a mineral A MINERAL IS natural inorganic crystalline has an orderly and repetitive internal atomic structure solid with a well defined chemical composition varies within limits and can be represented by a chemical formula Name a common substance that is not a mineral because of each of these requirements natural inorganic crystalline solid with a well defined chemical composition Why study Minerals Minerals make up rocks and dirt and other earth materials Granite Why study Minerals Minerals make up rocks Beauty decoration and art of Minerals Gold Sulfur Colorado Rhodochrosite Diamond Why study Minerals Minerals make up rocks Beauty decoration and art of Minerals Why are some minerals cut as gems What do you know about Corundum Ruby is red gem quality corundum What s special about diamond Aquamarine beryl H 7 5 8 Cut topaz H 8 Why study Minerals Minerals make up rocks Beauty decoration and art of Minerals Usefulness of Minerals What useful minerals can you think of Minerals in everyday life Why study Minerals Minerals make up rocks Beauty decoration and art of Minerals Usefulness of Minerals Sources of metals other valuable elements Industrial and Construction uses Household and food items Cosmetics Other uses Graphite in artist s pencils http www pencils co uk heritage aspx id 3 Derwent Pencil Factory Cumberland England UKs first pencil factory 1832 What are metals used for Some minerals that are sources of metals gold copper silver galena lead PbS sphalerite zinc ZnS chalcopyrite copper CuFeS2 molybdenite molybdenum MoS Hematite iron Fe2O3 Some Minerals used in Industry and Construction Gypsum in dry wall Diamond in drill bits and abrasives Phosphates for fertilizer Clays many uses Asbestos insulation fire proofing strength Paint pigments white was PbO what s wrong with lead now TiO2 from ilmenite What others can you think of Minerals in Food Household Items Cosmetics What properties are important Abrasives in Cleansers toothpaste feldspars calcite dolomite Kitty Litter clays and zeolites absorb liquids Sparkles in toothpaste nail polish micas Salt halite Salt substitute sylvite Foot powder baby powder talc Face powders clays Others Uses of Minerals See Minerals in your House game on the Mineralogy for Kids Web page at http www mineralogy4kids org and many other Web sites