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Named for the type locality at the Haydee mine in the Tarapaca region of Chile. Haydeeite is a rare mineral that can be found only at its type locality and one other Chilean locality at the Santo Domingo mine in the Arica and Parinacota region. Haydeeite is associated with atacamite, gypsum, halite and can occasionally be found covered by bassanite.

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


A rare mineral named in honor of Patrick Eugene Haynes, an American geologist and mineral collector/dealer who was the first to find the mineral. Haynesite can be found only at its type locality in the Repete mine near the town of Blanding in San Juan County, Utah, USA. There it occurs in oxidized uranium deposits in mudstones and sandstones. Haynesite is highly radioactive and will fluoresce a yellow-green under short-wave ultraviolet light.

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


Named after the type locality at the Good Hope mine near Headley in British Columbia. Hedleyite is a rare mineral with localities in, additionally, the United States, Bolivia, Kyrgyzstan, Uzbekistan, Russia, Finland, Poland, Italy, England, and India, among others. It occurs as a late-stage hydrothermal mineral in quartz veins as well as in skarn- and breccias-assocaited massive sulfides, and can additionanlly be found in pegmatites.

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

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