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Named for Dr. H. Jordan from Saarbrucken, Germany, who was the first to provide the original material for study.  Jordanite is an uncommon by widespread mineral that occurs in lead-arsenic occurrences hosted in metamorphosed dolostone, in low-temperature epithermal veins and epithermal gold-quartz veind, and from ocean floor black smoker chimneys. Localities for Jordanite include Switzerland, Poland, Germany, the Czech Republic, Italy, Greece, Sweden, Norway, England, Japan, the United States, and in the Pacific Ocean along the East Pacific Rise.

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


Named for the discoverer of the mineral, Juanita Curtis. Found as yellow to yellow-green to greenish brown, tiny, thin, tabular crystals and in aggregates. It is found at the type locality at the Gold Hill mine in Utah, USA as crystals and earthy masses in association with connellite, tyrolite, and azurite in fissures of limonite, and also from tennantite association. The only other locality for Juanitaite is in Spain.

Ref. Minerals and their Localities, Bernard, J.H. and Hyršl, J. (2004)

IMA/CNMNC List of Mineral Names (2009) and Mineralogical Record 31 (2000), 301


Named in honor of Dr. Jun Ito, a Japanese-American mineral chemist at Harvard University in Massachusetts, USA. Junitoite is a rare mineral that occurs only in the United States at its type locality in the Christmas mine in Arizona, and at Franklin mine in New Jersey. Junitoite occurs in “retrogressively altered tactite zones [which are] related to the breakdown of sphalerite in ores.” Junitoite is strongly pyroelectric, generates a charge in response to heat.

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

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