Mineralpedia Details for 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
Ajoite from New Cornelia mine, Ajo dist., Pima Co., Arizona, United States
Aqua bluish green, silky, platy crystals to 0.3mm in vuggy matrix.
Bluish green, platy micro crystals to 1mm, free-standing in open cavities.