Web design: Corina Gamma


Hans Gamma Portrait

For many years, I've been pursuing with passion the exquisite colors and designs in Jaspers and to document each precise locality. Originally from Switzerland, I retired in the beautiful Arizona Desert, where I continue with enthusiasm the collecting, cutting and polishing to unveil the secrets of the World of Jaspers.

Contact me at: contactme[at]worldofjaspers[dot]com

Books authored by Hans Gamma    
Jasper and Agates book Jasper Book Cover  


Published in 2019, this book features 140 pages with over 320 images, showcasing the remarkable jaspers and agates found in the Coast Ranges of California. Morgan Hill and Hornitos jaspers have been thoroughly researched, and many other unique variations are described and beautifully pictured in this volume.

Author: Hans Gamma
Introduction by Barry Friedman

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Published in 2015, PICTURE JASPERS from the Northwest features 184 pages with over 500 images and information about the Jaspers from the McDermitt area, Blue Mountain and the Owyhee region in Oregon, as well as Bruneau Canyon and Willow Creek in Idaho. 32 pages are dedicated to the popular and much sought after Morrisonite.

Author: Hans Gamma
Co-writer: Lauritz A. Jensen

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