Amethyst Mine Panorama, Thunder Bay

Where: Ontario · North America · approx. 48.62, -88.84 (vicinity only)

Why this spot: Mesoproterozoic vein

What turns up: Deep-purple amethyst crystals and red-hematite-included amethyst on the tailings; dig your own by the pound

Access: Open / legal.

Commercial fee-dig mine open to the public; pay by weight for what you collect.

Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.