.	Dwarves' Earth Treasures Online Museum: Datolites of Keweenaw County Various Mines of Keweenaw Co., Michigan	.

    There are many mines of Michigan that rarely produce any datolites at all  or it's just that I was seeing too few datolites coming from the mines listed below.

Cliff Mine, Cliff, Keweenaw Co, Michigan	South Cliff Mine, Cliff, Keweenaw Co, Michigan	Central Exporation Mine,  Central, Keweenaw Co., MIichigan
	...
Cape Mine, Keweenaw County, MI	Bohemian Mine Keweenaw Co., MI	Gatriot Mine, Keweenaw County, MI
Cape Mine, Keweenaw County, MI	Central Mine, Keweenaw County, MI	North American Mine (north of Phoenix) Keweenaw Co., MI

 

Found by Jeffrey Anderson, South Cliff, Keweenaw Co., Mi with prehnite and calcite, August 2009	Arnold Mine, Keweenaw Co. Michigan With copper inclusions