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Purple Passion Mine (Diamond Joe Mine; Cuprite Mine), Red Picacho District, Wickenburg area, Yavapai Co., Arizona, USA

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Latitude & Longitude (WGS84): 34° 0' 2'' North , 112° 35' 53'' West
Latitude & Longitude (decimal): 34.00056,-112.59806

A former underground Ag-Pb-Au-Cu-Mo mine located in the SE¼ sec. 30, T8N, R3W, at about 3,300 feet of altitude. Formerly the Diamond Joe mine. Discovered around 1890 by Mr. A.B. Lovell. Produced intermittently from 1901 to 1926. Operated by the Diamond Joe Mining Co., Inc. about 1926. This firm was owned exclusively by Mr. George R. Kyok of Wickenburg. It closed in 1928 allegedly due to a lack of sufficient water. It was again opened briefly in 1945, shipped a small amount of ore and closed again. In recent years this mine is under claim for the recovery of mineral specimens. Trespassing without the permission of the claim holder is prohibited.

Mineralization is a vein deposit with a tabular ore body hosted in granodiorite, that is extensively intruded by dikes of various kinds, ranging from basic andesites to very acid rocks. There is considerable faulting and the vein or orebody is in the main fault, a N-S fissure dipping about 50 degrees west. None of the intrusive dikes cut across the ore vein. At least two known faults cross the vein but hardly dislocate it. All of this disturbance is in the hanging wall. The footwall area is relatively undisturbed diorite, solid and little altered. The highly intruded condition of the hanging wall has resulted in extensive kaolinization, with schistosity, and the general result is a badly broken, distorted, kaolinized area over the ore.

The vein can be traced on surface for about 1,200 feet, and, from sporadic indications of the same fissure, for a probable total length up to 3,000 feet. The mineralization is principally a calcite gangue carrying lead and silver minerals, with considerable iron stain in places, and evidence of an intrusion of porphyry along the fissure.

Workings include an inclined shaft of 325 feet along the dip (225 feet vertical). Vertical shaft No. 1 intersected the inclined shaft at the 83 foot level and continued down to 180 feet. A lack of sufficient operating water resulted in the sinking of vertical shaft No. 2 to the 500 foot level. The first 225 feet of this shaft were utilized as the main entrance to the lowest working level of the mine. The bottom 275 feet were used as a reservoir to supply water for the milling operations. A total of 2,250 feet of tunnels, shafts, and stopes were driven, with levels at 45, 83, 180 and 225 feet.

Production was some 135,000 tons of ore.

Mineral List

18 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

1600 - 1800 Ma
Early Proterozoic granitic rocks

Age: Statherian (1600 - 1800 Ma)

Description: Wide variety of granitic rocks, including granite, granodiorite, tonalite, quartz diorite, diorite, and gabbro. These rocks commonly are characterized by steep, northeast-striking foliation. (1600-1800 Ma)

Comments: ~ 1.6 - 1.8 Ga

Lithology: Major:{granite,granodiorite,tonalite}, Minor:{quartz diorite,diorite,gabbro}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Sedgwick, A.E. (1921 & 1923), Report on the Diamond Joe group of claims: Arizona Department of Mines and Mineral Resources, Primary data file - Diamond Joe 3/20/90.

Gohring, W.B. (1934), Report on the Diamond Joe Mining property: Arizona Department of Mines & Mineral Resources, Primary Data file - Diamond Joe 3/20/90.

Roe, A. (1980), Micromounting in Arizona: Mineralogical Record: 11: 264.

Stimac, James A., Joan E. Fryxell, Stephen J. Reynolds, Stephen M. Richard, Michael J. Grubensky & Elizabeth A. Scott (1987), Geologic map of the Wickenburg, southern Buckhorn, and northwestern Hieroglyphic Mountains, central Arizona: Arizona Bureau of Geology & Mineral Technology Open-File Report 87-9.

Davis, E. and Gardner, B. (2000). "The Purple Passion Mine, Yavapai County, Arizona." Mineralogical Record: 31(4): 323-331.

U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.

Arizona Department of Mineral Resources Diamond Joe Mine file.

USGS Morgan Butte Quadrangle map.

MRDS database Dep. ID #10109859, MRDS ID #M800336; and, Dep. ID #10137780, MAS ID #0040250656.

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