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Biotite from
Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park 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 Betty Mine (Lone Chimney Mine; Betty Lowe), Guffey Mining District, Park County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:460613
Long-form Identifier:1:3:460613:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
5.9km (3.6 miles) ⓘMeyers Ranch, Guffey Mining District, Park County, Colorado, USA
7.8km (4.8 miles) ⓘBaumer Pegmatite Prospect, Guffey Mining District, Park County, Colorado, USA
8.9km (5.5 miles) ⓘStar Girl Mine (Colorado Feldspar Company Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
9.3km (5.8 miles) ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
9.4km (5.8 miles) ⓘRosemont Mine (East Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
9.4km (5.9 miles) ⓘLower South Mine (Whisper ? Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
9.6km (6.0 miles) ⓘUpper South Mine, Micanite Mining District (Currant Creek Mining District), Colorado, USA
9.7km (6.1 miles) ⓘRowe's North Mine, Micanite Mining District (Currant Creek Mining District), Colorado, USA
10.3km (6.4 miles) ⓘWhopper Mine and Prospect, Micanite Mining District (Currant Creek Mining District), Colorado, USA
10.7km (6.6 miles) ⓘRowe's No. 2 Mine, Micanite Mining District (Currant Creek Mining District), Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
The Canadian Mineralogist Vol. 43, pp. 601-622 (2005)
Spry, Paul G.; McFadden, Scott; Teale, Graham S.; Alers, Brian; Shallow, John M.; Glenn, Justin M. (2022) Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 141. 104632 doi:10.1016/j.oregeorev.2021.104632
Berke, Edward H., Spry, Paul G., Heimann, Adriana, Teale, Graham S., Johnson, Benjamin, von der Handt, Anette, Alers, Brian, Shallow, John M. (2023) The genesis of metamorphosed Paleoproterozoic massive sulphide occurrences in central Colorado: geological, mineralogical and sulphur isotope constraints. Geological Magazine, 160 (7) 1345-1375 doi:10.1017/s0016756823000407
 
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