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Pabellón de Pica, Chanabaya, Iquique Province, Tarapacá Region, Chile

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Latitude & Longitude (WGS84): 20° 54' 32'' South , 70° 8' 17'' West
Latitude & Longitude (decimal): -20.9088888889, -70.1380555556

2 km south of Caleta Chanabaya.
Guano was extensively mined in the promontory till mid 19th century.
Additional references at

"I have visit Pabellon de Pica several times and found and discover the unique copper mineralization up there. Younger Guano deposits like Pabellon de Pica are a very strange environmental zone with a highly unique micro biology. This micro biology life produces a lot of unique Nitrogen component. It is a normally process when such components later go in to a part of the mineralization. The Pabellon de Pica the only till now known contact zone of a copper deposit and a young sub maritime Guano deposit. There is no anthropogenic influence to form the rare copper minerals. Chanabayaite are a good example because the best specimen we collect was on rock samples we take out of a 1 meter deep zone in the steep wall. Minerals like Shilovite and Ammineite is forms in a massive Halite vein. During the mining process of guano, the local miners never use any explosive, because the base rock is all ready cracked by the powdery Guano at self."
(Gunnar Färber,

More investigation led to to following results:

-Anorthite: Conf. meth.: EDX, Ref.: by Joy Desor and Gerhard Möhn
(Anorthite here means Ca-dominant in the Albite-Anorthite series)
-Clinochlore: Ref.: Bojar et al.,2010
-Dittmarite: Conf. meth.: XRD, Ref.: by Joachim Lorenz
-Epidote: Conf.meth.: visually
-Magnetite: Conf. meth.: visually, strongly ferromagnetic
-Natrolite: Conf. meth.: XRD, Ref.: by Joachim Lorenz
-Natroxalate: Conf. meth.: IR, Ref.: by Nikita V. Chukanov
-Newberyite: Conf. meth.: XRD, Ref.: by Joachim Lorenz
-Prehnite: Conf. meth.: visually and XRD, Ref.: XRD by Joachim Lorenz
-Thénardite: Conf. meth.: chemical tests, Ref.. by Gerhard Möhn
Chemical tests show pure Na2SO4, no H2O
Note; Epidote, Clinoclore and ammineite has also been confirmed by A.Kampf (XRD and EDS)

Mineral List

25 valid minerals. 6 (TL) - type locality of 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.


Bojar, H.-P., Walter, F., Baumgartner, J. & Färber, G. (2010): Ammineite, CuCl2(NH3)2, a new species containing an ammine complex: Mineral data and crystal structure. Canadian Mineralogist, 48, 1359-1371.

Chukanov, N.V., Zubkova, N.V., Mohn, G., Pekov, I.V., Pushcharovsky, D.Yu., Zadov, A.E. (2015): Chanabayaite, Cu2(N3C2H2)2Cl(NH3Cl,H2О,□)4 a new mineral containing triazolate anion. Zapiski RMO, 144(2), 36-47.

Chukanov, N.V., Britvin, S.N., Möhn, G., Pekov, I.V., Zubkova, N.V., Nestola, F., Kasatkin, A.V., Dini, M. (2015): Shilovite, natural copper(II) tetrammine nitrate, a new mineral species. Mineralogical Magazine, 79, 613-623.

Chukanov, N.V., Aksenov, S.M., Rastsvetaeva, R.K., Pekov, I.V., Belakovskiy, D.I., Britvin, S.N. (2015): Möhnite, (NH4)K2Na(SO4)2, a new guano mineral from Pabellón de Pica, Chile. Mineralogy and Petrology, 109, 643-648.

Chukanov, N.V., Aksenov, S.M., Rastsvetaeva, R.K., Lyssenko, K.A., Belakovskiy, D.I., Färber, G., Möhn, G., Van, K.V. (2015): Antipinite, KNa3Cu2(C2O4)4, a new mineral species from a guano deposit at Pabellón de Pica, Chile. Mineralogical Magazine, 79, 1111-1121.

Zubkova, N., Chukanov, N.V., Pekov, I.V., Möhn, G., Giester, G., Yapaskurt, V.O., Lykova, I.S., Pushcharovsky, D.Yu. (2016): The crystal structure of the natural 1,2,4-triazolate compound NaCu2Cl3[N3C2H2]2[NH3]2·4H2O. Zeitschrift für Kristallographie - Crystalline Materials 231, 47-53.

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