University of Maryland Department of Geology
Diamond photo
GEOL 210: Gems and Gemstones

Dr. Sarah Penniston-Dorland
GEOL 3106
(301) 405-4087
sarahpd@geol.umd.edu

Gems Home Page



Information from Lecture

2/1/05   Two handouts   - Periodic table and Crystal Systems

2/8/05   Kimberlite movie website:   http://www.nrcan.gc.ca/mms/diam/diamform_e.htm#animation
             Answers to Pop Quiz

2/10/05  Extra reading (not required) on how gems form:
               Hurlbut and Kammerling    Chapter 2 (p. 7-17)
               Simon and Schuster's         p. 37-41

              Website with information on how diamonds form:                
                http://www.amnh.org/exhibitions/diamonds/carbon.html

                Handout on Refraction and reflection

2/15/05  Handout on Critical Angle

              Website with stories of the "curse" of the Hope Diamond

2/17/05 Handouts on Cut of diamond
             Exam Review Questions            

             Link to GIA scale of clarity

3/3/05   Link to information on Diamond simulants

3/10/05 Handout on Color in gems

3/31/05 Handout on Symbols for Gem Enhancement

4/5/05   Tourmaline chemical composition handout
             Garnet chemical composition handout
             Exam 2 Review Questions

5/10/05   Final Exam Review Questions
               Final Exam Summary Handouts



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