La Vendida Mine (Rio Tinto Mine), Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile
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|Latitude & Longitude (WGS84):||22° 53' 30'' South , 69° 20' 50'' West|
|Latitude & Longitude (decimal):||-22.8916666667, -69.3472222222|
|Name(s) in local language(s):||Mina La Vendida|
Small copper and iron sulphate mine within the Sierra Gorda district, near Sierra Gorda town.
Located 3 km NW of Sierra Gorda village.
Recent investigation led to the following results:
-Alunogen: Conf. meth.:XRD, Ref.: by Igor V. Pekov
-Anhydrite: Conf. meth.: chemical tests, Ref.:by Gerhard Möhn
-Blödite: Conf. meth.: XRD (by Joachim Lorenz), chemical tests (by Gerhard Möhn)
-Chalcophanite: Conf.meth.: XRD (by Joachim Lorenz), chemical tests (by Gerhard Möhn)
-Cuprocopiapite: Conf. meth.: EDX, Ref.: by Joy Desor and Gerhard Möhn
Chemical test, Ref.: by Gerhard Möhn -positive: Cu2+, Fe3+, SO42-negative: Fe2+
-Epidote: Conf. meth.: visually
-Glauberite: Conf. meth.: visually (crystal shape) and chemical tests, Ref.: by Gerhard Möhn
-Goethite: Conf. meth.: XRD, Ref.: by Joachim Lorenz
-Gypsum: Conf. meth.: EDX (by Steffen Möckel), chemical tests (by Gerhard Möhn)
-Halite: Conf. meth.: chemical tests (->pure NaCl), Ref.: by Gerhard Möhn
-Hematite: Conf.meth.: visually, Streak:brown-red
-Magnetite: black-metallic grains in rock, strongly ferromagnetic
36 valid minerals. 3 (TL) - type locality of valid minerals.
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Chukanov, N.V., Krivovichev, S.V., Chernyatieva, A.P., Mohn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Lorenz, J.A. (2013): Vendidaite, Al2(SO4)(OH)3Cl·6H2O, a new mineral from La vendida copper mine, Antofagasta Region, Chile. Canadian Mineralogist. 51, 559-568.