Latitude: 39°23'22"N
Longitude: 105°13'20"W
Sec 33 T7S R70W
A rare earth pegmatite with a wall zone, outer-intermediate zone of biotite, quartz core, and a core margin replacement unit of biotite and hematite. The intermediate zone was mined for microcline.
References
Rare Earth Pegmatites of the South Platte District, Colorado by Wm. B. Simmons & E. Wm. Heinrich
Mineral List
8 entries listed. 5 valid minerals.
The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.
Mineral and Locality Search
