Articles

Here is a selection of articles I've written about different mineralogical subjects.

Examination of Sperrylite-Bearing Sulphide Specimens with a CT Scanner

06/10/2022
David K. Joyce, Newmarket, OntarioDr. Donald V. Doell, Grafton, Ontario Introduction In 2016, David K Joyce (DKJ) met up with co-author Dr. Donald V. Doell […]
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Cubanite From Canada

06/08/2022
INTRODUCTION Cubanite is a relatively common constituent of sulphide mineralization containing copper. For instance, most people think that all of the copper recovered in the […]
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Arsenic – Darkening Upon Exposure

06/06/2022
A while back I was trimming some pieces of native arsenic from the occurrence at Port Alberni, British Columbia. I was surprised when I first […]
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