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Magnetite from
Roscoe Beryl Mine (Roscoe pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Allanite Group1
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Roscoe Beryl Mine (Roscoe pegmatite), Clear Creek pegmatite Province, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:310871
Long-form Identifier:1:3:310871:0
GUID (UUID V4):0
Nearest other occurrences of Magnetite
4.7km (2.9 miles) ⓘBeaver Brook pegmatite (Brandt pegmatite), Clear Creek pegmatite Province, Clear Creek County, Colorado, USA
6.8km (4.2 miles) ⓘRoscoe Placer, Lower Clear Creek Area, Clear Creek County, Colorado, USA
8.7km (5.4 miles) ⓘF.M.D. Mine, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA
13.7km (8.5 miles) ⓘMena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft), Ralston Buttes Mining District, Jefferson County, Colorado, USA
15.9km (9.9 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
16.8km (10.4 miles) ⓘJefferson County Iron Mines, Morrison Area, Jefferson County, Colorado, USA
20.7km (12.9 miles) ⓘIowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson County, Colorado, USA
22.7km (14.1 miles) ⓘEvergreen Mine (Gold Standard; Nancy Lee), Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA
28.3km (17.6 miles) ⓘGreen Mountain kimberlite, Boulder County, Colorado, USA
30.1km (18.7 miles) ⓘEagle Rock Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
References
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.28 - (Table A-1)
 
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