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Cally Oldershaw is a gemologist and science educator. She is the author of several very widely held books about gems. Oldershaw is Liaison Officer for the Geological Society of London and an examiner for the Gemmological Association of Great Britain.[1]

Bibliography

She also wrote the multiple parts of the Geological society of London series of booklets, Earth in our Hands,[5] and many parts of the Series: Closer look at... series for children published by Copper Beech Books.

References

  1. ^ WorldCat Identities
  2. ^ Oldershaw, Cally. Gems of the World. Richmond Hill, Ont: Firefly Books, 2008. ISBN 978-1-55407-367-2 WorldCat
  3. ^ Firefly Guide to Gems. OCLC 51292154. ((cite book)): |website= ignored (help)
  4. ^ Oldershaw, Cally (2001). Gemstones. Sterling Pub. Co. ISBN 9781402724060. OCLC 47068589.
  5. ^ Earth in Our Hands: How Geoscientists Serve and Protect the Public. OCLC 57198698. ((cite book)): |website= ignored (help)
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