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  2. 2022 – Alexandrite and Other Color-Change Gemstones

2022 – Alexandrite and Other Color-Change Gemstones

2022 – Alexandrite and Other Color-Change Gemstones Click To Zoom

ISBN: 978-0-9915320-6-3

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2022 – Alexandrite and Other Color-Change Gemstones Click To Zoom

ISBN: 978-0-9915320-6-3

Description

2021 – Agate and Chalcedony

2022 – Eighteenth
Alexandrite and Other Color-Change Gemstones

Stuart Overlin, editor
Photographs by Mia Dixon, Orasa Weldon and Robert Weldon


Specifications: 8.25" x 10.75", digital press, full color, soft cover, perfect binding, 100pp.
Publication Date: June 23, 2022


Dedication and Acknowledgments    i

Contents   1

Speaker and Author Biographies    2

Evan Caplan    6

Alexandrite, Pricing Factors, and the Future Market

William Larson    10

Collecting Color-Change Minerals and Gemstones from World Localities

Ciğdem Lüle    14

Diaspore from Turkey

Sally Eaton-Magaña    18

Color-Change Phenomena in Diamond

Niveet Nagpal    28

Designing with Color-Change Gemstones

Aaron Palke and George R. Rossman    32

Causes of Color in Color-Change Gemstones

Nathan Renfro    40

The Microworld of Alexandrite and Other Color-Change Gems

Stuart Robertson    42

Price Trends of Alexandrite and Other Color-Change Gemstones

Wim Vertriest    48

Overview of the Geology and Mining of Alexandrite

Robert Weldon    52

Gem Photography’s Biggest Challenge: Color-Change Gemstones

 

Ziyin Sun, Aaron C. Palke, Jonathan Muyal, Dino DeGhionno, and Shane F. McClure    60

Geographic Origin Determination of Alexandrite (from the Winter 2019 Gems & Gemology)

Karl Schmetzer    76

Pleochroism and Color Change in Faceted Alexandrite: Influence of Cut and Sample Orientation (from the Spring 2019 Gems & Gemology

History

  • 2022 – Alexandrite and Other Color-Change Gemstones

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