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Aikinite

Named after Arthur Aikin, an English chemist, mineralogist, and founder and Secretary of the Geological Society of London, England. Aikinite is an uncommon mineral that is found in hydrothermal veins in localities in Russia, Slovakia, France, the United States, Mexico, and many others. Minerals associated with Aikinite include gold, pyrite, galena, tennantite, bismuthinite, enargite, chalcopyrite, and quartz.

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

Ajoite

Named after the type locality at the New Cornelia mine, also called the Ajo mine, in Ajo, Arizona, USA. Ajoite is a rare mineral that occurs in additional USA localities, as well as in Mexico, South Africa, Namibia, Austria, Romania, Germany, and Japan. It is found “in oxidized copper-rich base metal deposits” in association with shattuckite, conichalcite, quartz, muscovite, pyrite, creaseyite, fluorite, duhamelite, sillenite, and papagoite.

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

Alamosite

Named for the type locality at Alamos in the Alamos Municipality in Sonora, Mexico. Alamosite is a rare mineral that occurs in additional localities in the United States, Namibia, and Sweden. It occurs as a secondary mineral in oxidized lead-bearing base metal deposits in association with wulfenite, leadhillite, cerussite, anglesite, melanotekite, fleischerite, kegelite, hematite, diaboleite, phosgenite, willemite, shattuckite, and wickenburgite.

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

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