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Remondite-(Ce)

More appropriately spelled Rémondite, the mineral is named in honor of Dr. Guy Rémond, a physicist for the Bureau de Recherches Géologiques et Minières in Orléans, France who worked extensively on the physics of minerals. Found only in Cameroon, Canada, and purportedly Russia, Remondite occurs at its Cameroon locality in nepheline syenite, and as its Canadian locality “associated with an intrusive alkalic gabbro-syenite complex.”

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

Retgersite

Named after Jan Willem Retgers, who studied synthetic compound crystallography during his career as a physical chemist and chemical crystallographer in the Netherlands.Retgersite is an uncommon mineral found in Peru, the USA, Canada, Germany, Scotland, England, Australia, Russia, Poland, and the Czech Republic. It occurs as a secondary mineral in oxidized nickel hydrothermal deposits, and forms from solutions between the specific degrees of 31.5 and 53.5 degrees Celsius. Retgersite has a bitter and metallic taste after dissolved in water.

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

Reyerite

A rare mineral named after Professor Eduard Reyer, a geologist from Vienna, Austria. Reyerite occurs in only three localities worldwide, including in a tuff at its Greenland locality, in basalt near the contact with the volcanic plug at the isle of Mull in Scotland, and in regionally metamorphosed dikes in Virginia, USA.

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

Rhabdophane-(Ce)

Named for the Greek rhabdos, meaning “rod,” and phainesthai, meaning “to appear,” in reference to the bands that appear in the emission spectrum, and for its cerium dominance over the other rare earth elements in the species. A rare mineral found in ore deposits of hydrothermal origin. Localities include England, Germany, Greenland, Canada, the USA, Russia, Ukraine, and Burundi.

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

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