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Animikie Red Ace pegmatite, Pine River pegmatites, Fern, Florence Co., Wisconsin, USA

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Latitude & Longitude (WGS84): 45° 51' 2'' North , 88° 21' 10'' West
Latitude & Longitude (decimal): 45.8505555556, -88.3527777778

The most complex and largest pegmatite in the Hoskins Lake pegmatite field. These pegmatites are as yet undated but probably are related to the intrusion of 1,760 million-year-old Bush Lake Granite. Location is in Sec 22, T39N R17E. The coordinates mark a prominent outcrop. This locality is now part of the "Pine River Wild Rivers Area", and collecting is no longer permitted.

Mineral List

45 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Falster, A. , W.B. Simmons & P.B. Moore (1988) Fillowite, Lithiophilite, Heterosite/Purpurite and Alluaudite-Varulite Group Minerals from a Pegmatite in Florence County, WI, Abst. 15th Rochester Mineralogical Symposium, Rocks and Minerals: 63(6) p. 455.

Falster, A. U., W.B. Simmons & K. L. Webber (1995) Niobium-Tantalum minerals from the Animikie Red Ace Pegmatite, Florence County, Wisconsin: Rocks and Minerals: 70(2): 126-127.

Falster, A., W.B. Simmons & P.B. Moore (1996) The mineralogy and geochemistry of the Animikie Red Ace pegmatite in Florence County, Wisconsin: Rec. Res. Dev. Mineral: 1: 7-67.

Falster, A. U. (2001), A second world occurrence for behierite in Florence County, Wisconsin: Proceedings 28th Rochester Mineralogical Symposium: 8-9.

Sirbescu, M. L. C., E. E. Hartwick, E.E., & J. J. Student (2008): Rapid crystallization of the Animikie Red Ace Pegmatite, Florence County, northeastern Wisconsin: inclusion microthermometry and conductive-cooling modeling. Contributions to Mineralogy and Petrology: 156: 289-305.

External Links

Wisconsin Mineral index - Wisconsin Geological and Natural History Survey

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