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Calvert Mine (Calvert Hill Mine; Calvert Tungsten Mine; Red Button Mine), Calvert Hill District, Beaverhead Co., Montana, USA



Detailed Mineral List:
Actinolite
Formula: ☐{Ca2}{(Mg,Fe2+)5}(Si8O22)(OH)2
Reference: http://www.lrream.com/montanaskarns.html
Anatase
Formula: TiO2
Reference: self collected by Ron Layton.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Photo: © . Andradite from Calvert Mine, Calvert Hill District, Beaverhead Co., Montana, USA
Beryl
Formula: Be3Al2(Si6O18)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: http://www.lrream.com/montanaskarns.html; Am Min 51:502-503
'Biotite'
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Calcite
Formula: CaCO3
Reference: http://www.lrream.com/montanaskarns.html
Chalcopyrite
Formula: CuFeS2
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
'Chlorite Group'
Reference: Am Min 51:502-503
Cuprotungstite
Formula: Cu2(WO4)(OH)2
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 51:502-503
'Garnet'
Formula: X3Z2(SiO4)3
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 51:502-503
Goethite
Formula: α-Fe3+O(OH)
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Hematite
Formula: Fe2O3
Reference: http://www.lrream.com/montanaskarns.html
'Mica Group'
Reference: Am Min 51:502-503
Molybdenite
Formula: MoS2
Reference: http://www.lrream.com/montanaskarns.html
Pyrite
Formula: FeS2
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Pyrrhotite
Formula: Fe1-xS (x = 0 to 0.17)
Reference: http://www.lrream.com/montanaskarns.html
Quartz
Formula: SiO2
Reference: Am Min 51:502-503
Quartz var: Smoky Quartz
Formula: SiO2
Reference: http://www.lrream.com/montanaskarns.html; Am Min 51:502-503
Photo: Smoky Quartz from Calvert Mine, Calvert Hill District, Beaverhead Co., Montana, USA
Rutile
Formula: TiO2
Reference: http://www.lrream.com/montanaskarns.html
Scheelite
Formula: Ca(WO4)
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Am Min 51:502-503
Siderite
Formula: FeCO3
Reference: http://www.lrream.com/montanaskarns.html


23 entries listed. 17 valid minerals.

References

American Mineralogist (1976): 51: 502-503.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10269525, 10172773 & 10008784.

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