.	Dwarves' Earth Treasures Online Museum: Copper Falls Datolites Vicinity of Copper Falls, Keweenaw CO., Michigan	.

    The Copper Falls area is noted to contain several crystalline datolite veins with some being pinkish due to copper inclusions. Owl Creek Fissure is an example that is abundant with pinkish datolite crystals as well as other interesting minerals such as natrolite, calcite and copper crystals. Hill fissure to the north have produced mostly white datolites from a seam while there are some additional datolite sites near Torch Lake to the north of Copper Falls area. There had been reports of colorful datolites, but very little actually came out of that area.
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My first datolite ever found. A rare find at Old Copper Falls Mine at Torch Lake,  Keweenaw Co., MI, August 1995

Owl Creek Fissure, Copper Falls area, Keweenaw Co. MI August 1995

Within the vicinity of Copper Falls,
Copper Falls, Keweenaw Co., Michigan