Goethite : α-Fe3+O(OH)
Mindat locality:
1.5inches x 1inches x .5inches
Collected by:
Photo added to mindat.org
“Popped this stalactitic goethite out of it's "geode" that exposed in the wall of andesite at the geode pit in Walker Valley, Skagit County, WA”
Brandon Boyd - 11th January 2016
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