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The article focuses on the amethyst clustera found in the waters in Thunder Bay districts in Ontario, Canada. It tells about the hematite after coming in contact with the amethyst crystal turns the crytal's colour red. It tells about the mineroligy studied in Canada to understand the changes in the amethyst crystal.

The article reports on the abundance deposit of colored gemstones in Canada. It is said that high-quality transparent sapphire has never been found in Canada, but in 2002 the gem was found in Baffin Island, Nunavut. In eastern Ontario, it is noted that opaque is common at several localities. It is cited that star sapphire is abundant in many localities in Passmore, south-central British Columbia.