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Four Peaks Amethyst Mine (Arizona Amethyst Mine), Four Peaks, Mazatzal Mts, Maricopa Co., Arizona, USA

Amethyst
Four Peaks Amethyst Mine, Four Peaks, Mazatzal Mts, Maricopa Co., Arizona, USA

Photo: 2002 John H. Betts

Latitude: 33°40'21"N
Longitude: 111°19'53"W

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‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 117, 346; Peirce, H.W. (1969), Gem materials, in USGS, AZ Bur. Mines, and US Bur. of Reclamation, Mineral and Water resources of Arizona: AZ Bur. Mines Bull. 180 & USGS Bull. 871: 362; Lowell, J. & T. Rybicki (1976), Mineralization of the Four Peaks amethyst deposit, Maricopa Co., AZ, Min.Rec.: 7: 72-77; Jaeger, F.P. (1985), A visit to the Four Peaks Amethyst Mine: Gems & Mins. Nov 1985; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 84; USGS Four Peaks map; Br. Land Mgmt. Mining District sheets; AZ Dept. Min. Resources (ADMR) Arizona Amethyst Mine file; MRDS file #10060269.

An amethyst mine discovered in 1925 by Jim McDaniels First produced 1942. Property under claim circa 2003.

Mineralization is in brecciated fault zones. Host rock is the Mazatzal Quartzite, Bidahochi formation. A roof pendant of Mazatzal group quartzite on Mazatzal granite folded into a syncline. Remnant of a large Precambrian thrust sheet.

Mineral List

Fluorapatite
Hematite

Hematite
var: Specularite
Quartz

Quartz
var: Amethyst

5 entries listed. 3 valid minerals.

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