.	Dwarves' Earth Treasures Online Museum: Arcadian Datolites  Arcadian Mines,  Poova, Houghton Co., Michigan	.

 .        Arcadian Mine is known for its highly unusual datolites where they seem quite ugly compared to other datolites. There are several shafts around Arcadian and some of them produced few different types of datolites. One is what is considered the ugliest type of datolites with white and brownish black coloring, the second type is is gray with greenish hues spider webbing throughout them and third type looks like copper toned smoking clouds. The mines are privately owned.
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An ugly but cool datolite	Strange patterns in this one.
With greenish hue	With greenish hue