Roscoe Beryl Mine (Roscoe pegmatite), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
A pegmatite located in N½ sec. 5, T. 4 S., R. 71 W. It is exposed by a roadcut along U.S. Highway 6 in Clear Creek Canyon, 3 mi east of the fork between U.S. 6 and the road to Black Hawk (State Highway 119). Much of the deposit has been removed by excavation for the highway, but several smaller dikes crop out on the hill above the roadcuts.
Mineralization is a zoned pegmatite structure in biotite granite gneiss.
18 entries listed. 14 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.
Ref.: Eckel, Edwin B. (1997), Minerals of Colorado, updated & revised: 19; Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 28 (Table A-1).
This page is currently not sponsored. To sponsor this page click here.