Thunder Bay
Curated by Maggie Liu · Updated:
Thunder Bay, Ontario, is a classic Canadian locality for amethyst — including the deep-purple, red-flecked “Thunder Bay amethyst”.
About Thunder Bayextended article
What it is known for
Amethyst occurs in veins and cavities in the Thunder Bay area, often with characteristic red hematite inclusions giving a distinctive look.
What collectors look for
Richly coloured amethyst, especially the red-included Thunder Bay material, is the collector and lapidary interest.
Frequently asked questions
Where is Thunder Bay?
Thunder Bay is a mineral locality in Ontario, Canada. It lies at approximately 48.3800°N, 89.2500°W. Elevation is about 200 m.
What minerals are found at Thunder Bay?
Signature minerals from Thunder Bay include Amethyst. The locality lies in Ontario, Canada, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
What is Thunder Bay known for?
Thunder Bay, Ontario, is a classic Canadian locality for amethyst — including the deep-purple, red-flecked “Thunder Bay amethyst”.
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