| Lat / long: | 38.93833, -105.21335 |
| Primary: | Feldspar |
| Tertiary: | Quartz, Thorium, Niobium (Columbium), Tantalum, Beryllium, REE |
| Ore: | Apatite, Beryl, Columbite, Feldspar, Fluorite, Microlite, Pyrochlore, Quartz, Tantalite |
| Orebody form: | LENSOID |
| Operation type: | Unknown |
| Production size: | Yes |
| Development status: | Producer |
| Host type: | Granite |
| MRDS | DC04051 |
| DEP | 10017698 |
| Reference | {Deposit:: HEINRICH, E.W. AND GROSS, E.B., 1960, FLUORCITE AND ASSOCIATED MINERALS FROM THE BLACK CLOUD PEGMATITE, TELLER COUNTY, COLORADO: AM. MIN., VOL. 45, NO. 3 AND 4, PG. 455-459.}{Deposit:: APPENDIX TO SPECIAL MAP NO. 10, MISSOURI BASIN STUDIES, P. 131, 1946}{Deposit:: USBM MIN. EXAM. FILE}{Deposit:: MEEVES, H.C., HARRER, C.M., SALSBURY, M.H., KONSELMAN, A.S. AND SHANNON, S.S., 1966, RECONNAISSANCE OF BERYLLIUM-BEARING PEGMATITES IN SIX WESTERN STATES, USDI BM INFO CIRC 8298} |
| Reporter | Unknown, Foord, Suzann C |