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Biotite from
R. H. Magnuson Mine (Magnusson Crosscut), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view R. H. Magnuson Mine (Magnusson Crosscut), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:374763
Long-form Identifier:1:3:374763:6
GUID (UUID V4):d6a4e3a8-0b04-467c-9a73-624b6a880a27
Nearest other occurrences of Biotite
0.5km (0.3 miles) ⓘMeyers quarry (Meyers Quarry; Meyers-Halstead Quarry; Suzana Claims; Suzanna Claims; Royal Gorge No. 2), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
0.5km (0.3 miles) ⓘMica Lode Mine (Mica Hill Mine), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
2.3km (1.4 miles) ⓘBorder Feldspar Prospect No. 1 and No. 2, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
3.8km (2.4 miles) ⓘConsolidated Feldspar Corporation Mine (Feldspar Corporation Mine), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
3.9km (2.4 miles) ⓘEight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
9.5km (5.9 miles) ⓘDawson Mountain - Surprise Group (Unpatented Claims: Sam 1-15 1977 Part; Copper Boy 1902), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
9.6km (5.9 miles) ⓘJoker Mine (Rocky Mountain Boy Claims Patented Claims), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
9.7km (6.0 miles) ⓘHorseshoe Mine (School Section Deposit), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.2km (7.0 miles) ⓘGood News No. 2 Claims (Goat Park), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.4km (7.1 miles) ⓘGood News No. 1 Property (Goat Park; Good News Complex), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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