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Minerals Under the Microscope
This website provides an easy-to-understand introduction to the basics of optical mineralogy. Topics include the polarized light microscope, mineral shape and cleavage, relief, color and pleochroism, interference colors, extinction angles, twinning, opacity, vibration directions and mineral identification. The site features short, clear descriptions accompanied by photographs and drawings. This website would be useful as a concise introduction to the use of a petrographic microscope in identifying minerals.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
Type of resource:
  • For the classroom:
    • Tutorial
  • Text:
    • Ref. material
  • Geological Sciences:
    • Mineralogy or petrology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
All material on this website, including the University crest and logo, and all text, layout, graphics, icons and artwork is Copyright University of Bristol 2002-2004 unless otherwise stated. The material on this site should not be used, copied, stored or transmitted outside the University without the prior written consent of the University or in accordance with the Copyright, Designs and Patents Act 1988.
DLESE Catalog ID: SERC-NAGT-000-000-000-662
Resource contact / Creator / Publisher:
Author: Charlotte Gladstone
University of Bristol

Contributor: Paul Browning
University of Bristol