Nov 19, 2019  
OHIO University Undergraduate Catalog 2019-20 
    
OHIO University Undergraduate Catalog 2019-20
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GEOL 2090 - Gems, Jewels, and Crystals


An exploration of the Earth’s most valuable minerals, gems and jewels, with close study of how, where, and why they form. Topics also include how earth scientists discover, extract, and process the crystals on their way to their ultimate destination, the jewelry store. The course culminates in a close look at the geological and contextual origins of the world’s most famous and valuable crystals.

Credit Hours: 3
General Education Code: 2NS
Repeat/Retake Information: May be retaken two times excluding withdrawals, but only last course taken counts.
Lecture/Lab Hours: 3.0 lecture
Grades: Eligible Grades: A-F,WP,WF,WN,FN,AU,I
Learning Outcomes:
  • Students will be able to describe the geologic setting in which gems form, including their relationships to plate tectonics.
  • Students will be able to explain how gems and crystals form in the Earth.
  • Students will be able to identify the most common gems and jewels when given the crystal’s physical properties.
  • Students will be able to list and explain the critical factors that determine whether a gem-bearing rock bed is economical to mine.
  • Students will be able to list and explain the steps involved in finding and extracting gems and jewels.
  • Upon completion of this course, students be able to identify and define the characteristics that make gems valuable.



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