Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Epidote from
Cosumnes Copper Mine, Fair Play, Fairplay Mining District, El Dorado County, California, USA


Locality type:Mine
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Comments:Occurs as large crystals coated by axinite in a coarse vein.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Axinite-(Mn)
Bornite
Molybdenite
Orthoclase
Associated Minerals Based on Photo Data:
Quartz1
Native Copper1
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Cosumnes Copper Mine, Fair Play, Fairplay Mining District, El Dorado County, California, USA
Data Identifiers
Mindat Occurrence Record ID:135750
Long-form Identifier:1:3:135750:9
GUID (UUID V4):0
Nearest other occurrences of Epidote
7.5km (4.7 miles) ⓘGrizzley Flat deposit (Sciaroni; Candor; Pierce), Happy Valley, Grizzly Flat Mining District, East Belt, El Dorado County, California, USA
10.6km (6.6 miles) ⓘBBC Mine, El Dorado County, California, USA
11.7km (7.2 miles) ⓘWilliams prospect, Somerset, Fairplay Mining District, El Dorado County, California, USA
26.0km (16.1 miles) ⓘBig Canyon Mine (Oro Fino), Mount Aigare, Shingle Springs Mining District, West Belt, El Dorado County, California, USA
26.6km (16.5 miles) ⓘVandalia Mine, Mount Aigare, Shingle Springs Mining District, West Belt, El Dorado County, California, USA
31.3km (19.5 miles) ⓘJackson Butte, Amador County, California, USA
33.9km (21.1 miles) ⓘMiracle Mountain Mine, Garnet Hill, Calaveras County, California, USA
33.9km (21.1 miles) ⓘGarnet Hill Mine (Rheona claim), Garnet Hill, Calaveras County, California, USA
34.7km (21.6 miles) ⓘMoore Creek Mine (Moore Creek deposit; Bay Horse Mine; Whitehorse; White Horse Mine), Garnet Hill, Calaveras County, California, USA
40.3km (25.0 miles) ⓘPioneer-Lilyama Mine (Lilyama Mine; Lilyama Extension Mine; Pioneer Mine; Little Emma Mine; Lilyama Copper and Gold Mine; Volo Mine), Pilot Hill, Pilot Hill Mining District, El Dorado County, California, USA
References
Schaller, W. T. (1911) Mineralogical notes, series 1. Bulletin 490. US Geological Survey 109 pp. doi:10.3133/b490
Tucker, W. Burling & C.A. Waring (1919), El Dorado County: California Mining Bureau. Report 15: 276-278
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 91, 175. USGS Bull 1182E
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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