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Bluebird Mine (Bluebird Mines; Tungsten Bluebird Mine; Bluebird Hill Mine; Primos Mine; Primos group), Primos group of claims (Primos Mine), Dragoon, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA

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Latitude & Longitude (WGS84): 32° 4' 3'' North , 110° 5' 17'' West
Latitude & Longitude (decimal): 32.0675, -110.088055556
Other regions containing this locality:Sonoran Desert, North America

A former small underground W-Cu-Bi-Be mine located in the SW ¼ sec. 3, and sec. 9, T.16S., R.22E, 2¾ miles SW of the town of Johnson on the north slope of Bluebird Hill, 4 miles NE of Dragoon, on private land. Discovered 1898. First produced 1900. Owned by Primos Chemical Co. (1973). NOTE: Alternate coordinates provided: 32.0667N, 110.0889W.

Mineralization is a vein deposit of hübnerite with minor scheelite, pyrite and chalcopyrite as the ore minerals in irregular quartz veins in fractured and altered Laramide quartz monzonite (the Texas Canyon Stock [Texas pluton]), near Texas Canyon, and within site of Interstate 10, Cochise Co. The veins are narrow, irregular in width, and often pinch out along strike and branch out into small stringers. Two main sets of veins: (1) dip of 60 to 70 SE (2) dip of 35 to 50SE. Striae indicate several directions of movement; the most conspicuous indicate reverse movement. This mine, and nearby mines and prospects, features fluorite that fluoresces pink and light blue (SW UV) as well as chlorophane, which gives a typical green fluorescent reaction.

Local structures include Tertiary block faulting trending NNW. Regionally, Late Cretaceous or Early Tertiary N- to NW-trending folds and thrust faults override to the NE.

Workings include drifts, crosscuts, winzes, raises, stopes, pits, trenches, and tunnels totaling 1,910 meters in length. The vein area extends over several miles SW of Johnson and includes numerous small adits, shafts, open pits and underhand stopes. Significant production ceased in 1918. This was the largest tungsten mine in the Dragoon Quadrangle.

A total of several hundred tons of tungsten concentrates produced from 1900 to 1917 and minor, sporadic production later. This mine yielded rich ore. Some low-grade material remains.

Mineral List

9 valid minerals.

The above list 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.


Wilson, E.D. (1941), Tungsten Deposits of Arizona, Geological Series No. 14, Arizona Bureau of Mines Bull. 148.

Krauskopf and Stopper (1943) map of Bluebird Mine.

Warner, L.A., Holser, W.T., Wilmarth, V.R., and Cameron, E.N. (1959) Occurrence of nonpegmatitic beryllium in the United States: U.S. Geological Survey Professional Paper 318, 198 p., 5 sheets, scales 1:480, 1:960, 1:4,800, 1:500,000: 97, 99.

Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650: 46-47.

Cooper, J.R. (1962) Bismuth in the United States, exclusive of Alaska and Hawaii: U.S. Geological Survey Mineral Investigations Resource Map MR-22, 19 p., 1 sheet, scale 1:3,168,000.

Lemmon, D.M., and Tweto, O.L. (1962) Tungsten in the U.S., USGS map, MR-25.

Cooper, J.R. & L.T. Silver (1964), Geology and Ore Deposits of the Dragoon Quadrangle, Cochise County, Arizona, USGS PP 416: 183-184.

Livingston, D.E., Damon, P.E., Mauger, R.L., Bennett, R., and Laughlin, A.W. (1967) Argon 40 in cogenetic feldspar-mica mineral assemblages: Journal of Geophysical Research: 72(4): 1361-1375.

Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 55 (Table 4).

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Rocks & Minerals (1990): 65: 458.

Sawyer, M.B., Gurmendi, A.C., Daley, M.R., and Howell, S.B. (1992) Principal Deposits of Strategic and Critical Minerals in Arizona, U.S. Bureau of Mines Special Publication, 334 pp.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 133.

Lemmon, D.M., unpublished data.

MRDS database Dep. ID file #10039399, MRDS ID #M050028; and, Dep. ID #10185472, MAS ID #0040030102.

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