When Philippe Belley came to the University of British Columbia to study how gemstones form, he didn't think he would need to learn how to protect himself from polar bears. But when some of those precious stones are buried in the Canadian Arctic on Baffin Island, where the world's largest land predator also roams, sometimes you roll the dice in the name of science.. British Columbia is not noted for its gem production (except nephrite), at the present time. Exploration and discoveries are mostly by amateur rockhounds. Because of the great diversity of rock formations, B.C. has an immense potential for gemstone discoveries. BIBLIOGRAPHY. Arem, Joe E., Color Encyclopedia of Gemstones.

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With its unique geological environment it is one of the finest locations for rockhounding in Western Canada. Featuring detailed maps ranging from Victoria through the Chemainus Valley and up to Port Hardy, A Field Guide to Gold, Gemstone & Mineral Sites of British Columbia, Vol. 1 covers more than 100 sites on Vancouver Island and adjacent islands.. They found it was formed 1.8 billion years ago at temperatures of about 800 C, but cobalt was only present in high-enough concentrations to produce gem-quality stones in small, localized areas.