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

Smoky Quartz
Calvert Mine, Calvert Hill District, Beaverhead Co., Montana, USA
Latitude: 45°50'54"N
Longitude: 113°9'8"W
A surface mine working a disseminated tungsten oxide deposit in limestone of the Cambrian Meagher Formation.

NOTE: MDRS file #10172773 presents erroneous latitude & longitude values.

Mineral List

Actinolite
Anatase
Andradite
Beryl
var: Aquamarine
'Biotite'
Calcite
Chalcopyrite
'Chlorite Group'
Cuprotungstite
Epidote
'Garnet'
Goethite
Hematite
'Mica Group'
Molybdenite
Pyrite
Pyrrhotite
Quartz
var: Smoky Quartz
Rutile
Scheelite
Siderite


23 entries listed. 17 valid minerals.

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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.

External Links


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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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