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Biotite from
Iron Mountain, Sweet Grass County, Montana, USA


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 Iron Mountain, Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1256928
Long-form Identifier:1:3:1256928:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
13.4km (8.3 miles) ⓘMouat Ni-Cu Verdegris Creek prospect, Stillwater County, Montana, USA
32.0km (19.9 miles) ⓘCartwright Calcite Deposit (Cartwright Crystal Spar Group), Sweet Grass County, Montana, USA
56.7km (35.2 miles) ⓘCrevasse Mountain Mine (Jardine; Mineral Hill Mine; TVX Mineral Hill 0300670001; Jardine Mine; Jardine Jv), Crevasse Mining District (Crevice Mining District; Jardine Mining District), Park County, Montana, USA
85.4km (53.1 miles) ⓘMica Creek Deposit (Mica Mine), Gallatin Range, Gallatin County, Montana, USA
97.8km (60.8 miles) ⓘBozeman Corundum Mine, Gallatin Gateway, Gallatin County, Montana, USA
References
Andersen, A. K., Zientek, M. L. and Parks, H. L.(2018) Base-metal and PGE Distribution in the Iron Mountain Area of the Stillwater Complex, Montana. Geological Society of America Abstracts with Programs. Vol. 50, No. 6
 
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