Microcline variety of Feldspar Potassium aluminum silicate KAlSi3O8

Microcline in the East Region No notable occurrences in database yet. Microcline in the Front Range Region Douglas County - Devils Head area Jefferson County - Wigwam Creek area Microcline in the Northwest Region Grand County - Green Ridge area Microcline in the South Central Region Chaffee County - Mt. Antero El Paso County - Cheyenne Canyon - Crystal Park - Deadmans Canyon pegmatite - Hunters Run - Sentinel Rock - Specimen Rock - St. Peters Dome - Stove Mountain Park County - Harris Park - Meyers Ranch - Spruce Grove area Teller County - Glen Cove - Lake George area Microcline in the Southwest Region No notable occurrences in database yet.

Cluster of microcline feldspar from the Wigwam Creek area.

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