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Search Mineralpedia – A Mineral Photo Database and Identification Guide


Named to honor Carlos do Prado Barbosa. Carlosbarbosaite is a rare mineral that occurs only at the type locality at the Jaguaracu pegmatite in Minas Gerais, Brazil. It occurs there as a late-forming mineral filling cavities in albite. It appears as cream to pale yellow, long, flattened, lath-like crystals. Carlosbarbosaite is radioactive but does not fluoresce under either long- or short-wave ultraviolet light.

Ref. Atencio, D. et al. and Mineralogical Magazine February 2012 v. 76 no. 1 p. 75-90


Named for the typical deep red color that is also known as carmine. Carminite is an uncommon mineral that is found as an alteration product or arsenopyrite in oxidized lead-bearing mineral deposits. Localities for Carminite include in Germany, England, France, the USA, Mexico, Australia, Namibia, among several others. Minerals associated with Carminite include beudantite, scorodite, dussertite, arsenosiderite, bayldonite, mimetite, cerussite, anglesite, plumbojarosite, and wulfenite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/carminite.pdf


Named for the first known and type locality at the Carr Boyd Rocks nickel mine near Kalgoorlie-Boulder City in Western Australia, Australia. Carrboydite is a rare mineral that can be found only at its type locality and one other at the Palhal mine in the Aveiro district of Portugal. It occurs as a secondary ineral in oxidized nickel sulfide deposits with malachite, azurite, paratacamite, brochantite, glaukosphaerite, takovite, nickeloan magnesite, chalconatronite, georgeite, halloysite, chabazite, gypsum, and epsomite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/carrboydite.pdf


Named after the type locality at the Patapsco mine near Sykesville in Carroll County, Maryland, USA. Carrollite is an uncommon mineral that can be found in additional USA localities, Mexico, Chile, Bulgaria, Slovakia, Germany, Sweden, Namibia, the Democratic Republic of the Congo, Zambia, Zimbabwe, Japan, North Korea, and Australia, among several others. Carrollite occurs in hydrothermal vein deposits with associated minerals which include tetrahedrite, linnaeite, siegenite, polydymite, chalcopyrite, bornite, digenite, djurleite, chalcocite, pyrrhotite, pyrite, sphalerite, millerite, gersdorfite, ullmannite, and cobaltoan calcite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/carrollite.pdf

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