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El Guanaco Mine, Guanaco (Huanaco), Santa Catalina, Antofagasta Province, Antofagasta Region, Chile

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 25° 6' 21'' South , 69° 32' 9'' West (est.)
Margin of Error:~0km
Other regions containing this locality:Atacama Desert, Chile
Köppen climate type:BWk : Cold desert climate
Name(s) in local language(s):Mina Guanaco

Located around 93 km east of Taltal, near Santa Catalina, and 230 km southeast of Antofagasta.

Note on the mineral list: for "coeruleolactite" see references and information given for Planerite-Turquoise Series.

During 2010 to date, Dr. Jochen Schlüter has been working on several other phases, some of them still under investigation. A few more species must be added thanks to Dr. Schlüter's investigations:
Enargite (AED), cornubite (SEM-EDS), cornwallite (PDF), native silver with Cu traces (SEM), wax-green chenevixite (SEM and PDF), antlerite (PDF), talmessite (SEM-EDS-PDF), clinoatacamite (SEM), chalcocite and sphalerite (SEM-EDS).

Mineral List

Mineral list contains entries from the region specified including sub-localities

43 valid minerals. 2 (TL) - type locality of valid minerals.

Localities in this Region


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.


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Färber, G., Witzke, T., Neumeier, G. and Weiß, S. (1998): Die besten Stufen des seltenen Kupferarsenates Arhbarit – ein sensationeller Neufund aus Chile. Lapis: 23(10): 49-51 (in German).
Krause, W., H.-J. Bernhardt, H. Effenberger, U. Kolitsch and C. Lengauer (2003): Redefinition of arhbarite, Cu2Mg(AsO4)(OH)3. Mineralogical Magazine: 67: 1099-1107.
Ondruš, P., Veselovský, F, Sejkora, J., Skála, R., Pažout, R., Frýda, J., Gabašová, A., Vajdak, J. (2005): Lemanskiite, NaCaCu5(AsO4)4Cl•5H2O, a new mineral species from the Abundancia mine, Chile. Canadian Mineralogist: 44: 523-531.
Witzke, T., U. Kolitsch, W. Krause, A. Wiechowski, O. Medenbach, A. R. Kampf, I. M. Steele and G. Favreau (2006): Guanacoite, Cu2Mg2(Mg0.5Cu0.5)(OH)4(H2O)4(AsO4)2, a new arsenate mineral species from the El Guanaco Mine, near Taltal, Chile: Description and crystal structure. European Journal of Mineralogy.

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