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Rumi Tucu mine, Cerro León Muerto, Papachacra Pegmatites, Papachacra, Belén Department, Catamarca, Argentina

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 27° South , 66° West (est.)
Margin of Error:~1km
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters

Southwestern end of the El Portezuelo Pluton (Papachacra granitic massif), about 5 km of the village of Papachacra.

According to Mr. Nelson Valenzuela, prominant Argentinean collector, the mine should be considered within the Papachacra area. A nice small Florencite (Ce), has been found at this mine.

Topaz Mine.
Company: Solá, Yamil.
Record, register of mines of the province of Catamarca: 232/93.

Topaz crystals are mostly idiomorphic, often transparent, with fluid inclusions and less solid. The coloration varies from colorless to gently colored in brown orange tones, clear to greenish blue; prismatic habit reaching up to 10 cm in length (C axis) is presented. Are associated with idiomorphic crystals of smoky quartz, Amethyst, microcline, albite (var. Clevelandite), Muscovite, black tourmaline (var. Schörl), fluorite, violet and green, among others. By its crystalline purity and absence of cracks, a significant percentage shows ideal characteristics to grind. Many others are useful for the production of cabochons. So far available sizes vary on average 3 to 5 cm in length, depending on the axis C. The crystals that have a good development in size and shape, no damage on corners and edges, are ideal for collection, offered in isolated or crystals embedded in a matrix or associated with other minerals.

Mineral List

4 valid minerals.

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Saadi, J. (1998): Les minéraux des pegmatites de la région de Papachacra - province de Catamarca (Argentine). Le Règne Minéral. 22, 5-13.

Colombo, F., Lira, R. and Pannaunzio Miner, E.V. (2009): Mineralogical Characterization Of Topaz From Miarolitic Pegmatites And W-Bearing Greisen In The A-Type El Portezuelo Granite, Papachacra (Catamarca Province). Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.2, pp. 194-200.

Padrón de Minas de la Provincia de Catamarca.

Kuck, A. y Saadi, J., 1992. La Mina Rumi-Tucu, Catamarca. Asociación de Geología, Mineralogía y Paleontología, Buenos Aires, 68, 69 y 70.

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