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Introduction and Symmetry Operations
This site consists of an introductory lecture on crystal symmetry and symmetry operations. It provides the definition of a mineral and then covers topics including different types of rotational symmetry, mirror symmetry, the center of symmetry, different types of rotoinversion, and combinations of symmetry operations. Drawings help illustrate the concepts presented in the lecture.
Intended for grade levels:
  • College (13-14)
  • College (15-16)
Type of resource:
  • Visual:
    • Illustration - scientific
  • Text:
    • Ref. material
  • Geological Sciences:
    • Geochemistry
    • Mineralogy or petrology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 2001 Tulane University New Orleans, LA 70118
DLESE Catalog ID: SERC-NAGT-000-000-000-723
Resource contact / Creator / Publisher:
Author: Prof Stephen A. Nelson
Tulane University