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Black Pearl Mine (Black Pearl group of claims; Camp Wood Tungsten Mine), Loco Gulch, Eureka District, Yavapai Co., Arizona, USA

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List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements
Group 2 - Sulphides and Sulfosalts
Group 3 - Halides
Group 4 - Oxides and Hydroxides
var: Specularite4.CB.05Fe2O3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Group 9 - Silicates
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

20 entries listed. 17 valid minerals.


Wilson, E.D. (1941), Tungsten Deposits of Arizona. Arizona Bureau of Mines Bull. 148: 21-22.

Anderson, C.A. (1955) Geology and Ore Deposits of the Bagdad Area, Yavapai County, Arizona. USGS PP 278.

Brownell, G.M. (1959), A beryllium detector for field exploration, Econ.Geol.: 54: 1103-1114;

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 80.

Dale, V.B. (1961), Tungsten deposits of Gila, Yavapai, and Mohave Counties, Arizona, U.S. Bureau of Mines Information Circular 8078: 43.

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

Staatz, M.H., et al (1965), Differences in the minor element composition of beryl in various environments, American Mineralogist: 50: 1783.

Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, U.S. Bureau of Mines Information Circular 8298: 21 (Table A-1).

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

Schmitz, Christopher, and DONALD M BURT. "The Black Pearl mine, Arizona- Wolframite veins and stockscheider pegmatite related to an albitic stock." Global catastrophes in Earth history. Boulder, CO, Geological Society of America(Geological Society Special Publication, 247 (1990): 221-232.

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.: 134, 139, 424.

Flagg, A.L., Vanadium Report, Book VI (unpublished).

Lemmon, D.M., unpublished data.

USGS Bagdad Quadrangle map.

Arizona Department of Mineral Resources Black Pearl file.

MRDS database Dep. ID #10027556, MRDS ID #M003351; and, Dep. ID #10161782, MAS ID #0040250233.

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