Latest Research

New variety of purple gem spinel

Belley & Palke (2021) Purple gem spinel from Vietnam and Afghanistan: Comparison of trace element chemistry, cause of color, and inclusions. Gems & Gemology 57, 228-238. http://dx.doi.org/10.5741/GEMS.57.3.228

UAV exploration for peridot

Belley, Shang & Lake (2020) Gem exploration using a camera drone and geospatial analysis: A case study of peridot exploration in British Columbia, Canada. Journal of Gemmology https://gem-a.com/jog-volume-37-issue-1

gem genesis in metacarbonates (Nunavut)

Belley & Groat (2020) Metamorphosed carbonate platforms and controls on the genesis of sapphire, gem spinel, and lapis lazuli: Insight from the Lake Harbour Group, Nunavut, Canada and implications for gem exploration. Ore Geology Reviews doi:10.1016/j.oregeorev.2019.103259

Gem Spinel genesis (Nunavut)

Belley & Groat (2019) Metacarbonate-hosted spinel on Baffin Island, Nunavut, Canada: Insights into the origin of gem spinel deposits and cobalt-blue spinel. Canadian Mineralogist doi:10.3749/canmin.1800060


Widespread media coverage

New sapphire deposit model (Nunavut)

Belley, Dzikowski, Fagan, Cempirek, Groat, Mortensen, Fayek, Giuliani, Fallick & Gertzbein (2017) Origin of scapolite-hosted sapphire (corundum) near Kimmirut, Baffin Island, Nunavut, Canada. Canadian Mineralogist doi:10.3749/canmin.1700018

Widespread media coverage (including NY Times)