GenthelviteEl Criollo Mine, Cerro Blanco pegmatite district, Tanti, Punilla Department, Córdoba, Argentina
Photo: JCLodovichi Latitude: 31°21'28"S
Longitude: 64°39'9"W
Granite pegmatite quarry about 10 km from the town of Tanti. The blue cobaltoan genthelvite from here, now widely distributed in collections, is not from the pegmatite body itself, but from a younger vein of friable specular hematite that cuts across the pegmatite body.
References
- American Mineralogist (1978): 53: 416-431.
- Zeitschr. Krist.(1993): 208: 57-71.
- Canadian Mineralogist (1997): 35: 707-712.
- Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2000) Handbook of Mineralogy, Volume IV. Arsenates, Phosphates, Vanadates. Mineral Data Publishing, Tucson, AZ, 680pp.
- Mr. Nelson Valenzuela.
Mineral List
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