Name that Gem, a Slideshow of Gemstone Identification

Prehnite, Zultanite, or Green Amethyst Prasiolite?

Lorraine Yapps Cohen

Come along on a photo documentary of my gemstone investigation. An unknown stone in a designer ensemble eludes identity until light shines on the matter. Is the gem prehnite, prasiolite green amethyst, or zultanite?

Published by Lorraine Yapps Cohen

I design jewelry free from the constraints of textbook techniques and write non-fiction free from the rigors of technical expression. Chemist by training, creative by spirit, conservative in values, and art...  View profile

12 Comments

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  • Jill E. Wright12/4/2011

    great pics! i love when gems and stones look different in different lighting.

  • Sandy James11/28/2011

    Love those soft looking necklaces.

  • Abby Willow11/10/2011

    Pretty pretty!

  • Rita Oakleaf10/31/2011

    Thanks for sharing.

  • Judy (Montelauro) Harrell10/30/2011

    You are so blessed to have the opportunity to work with what you enjoy so much! Thanks for sharing!

  • Mary Oberg10/30/2011

    Gorgeous jewels and nechlace!

  • Mike Powers10/30/2011

    Breathtaking photos, and a superb companion to your "Name that Gem" article. I really enjoyed your outstanding slideshow. Thanks for sharing!

  • Sheri Fresonke Harper10/29/2011

    Very pretty, thanks for the lesson and pics:)

  • Sivaramakrishnan Ananthanarayanan10/29/2011

    Sort of Greek to me! But I enjoyed your analysis, Lorraine - siva

  • Michele Starkey10/28/2011

    Gorgeous :) I love how you did this - cheers!

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