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Poudrette Quarry, Mont Saint-Hilaire Book

Poudrette Quarry, Mont Saint-Hilaire Book

The latest book about the history, geology and mineralogy of the Poudrette Quarry, Mont Saint-Hilaire, Quebec, Canada, has been published late 2019 by the Mineralogical Association of Canada as Special Publication #14 under The Canadian Mineralogist. The four authors are Laszlo Horvath, Robert Gault, Elsa Pfenninger-Horvath and Glenn Poirier.

With over 600 high quality photographs and 633 pages, we consider this book to be the “bible” about the mineralogy of this worldwide re-known and exceptional locality and is a must for collectors of minerals from the Poudrette Quarry.  Minerals displayed in this book are from museum and individual collections.  Important sections are dedicated to the history, collectors, and geologic setting. Descriptions of minerals are listed alphabetically. This book also includes sections about partially studied and unnamed minerals, organic compounds, gemstones and pseudomorphs. A very exhaustive bibliography and 10 appendices complete this book. Some of the appendices are very informative about the chronology of type locality discoveries and the authors behind these discoveries.

The authors have been at work on this fantastic book for more than 20 years. And the book contains unique information not available anywhere else.

For those who are less familiar about this locality, we can say it is the locality with the most documented various species in the world (430 approved species) and with now 69 type locality minerals, 3 of which have recently been approved (December 2019) after the publication of the book, namely esdanaite-(Ce) (=UK95), kodamaite (=UK77), and melansonite (=UK124) after Frank and Wendy Melanson. Currently, these new species are unique to the Poudrette Quarry along with more than 30 other species found at this locality. This is an amazing locality considering there are 825 reported species (108 type locality) in the province of Quebec.

For information and to order this book, collectors may visit the Mineralogical Association of Canada website.


Text published: January 2020.