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Marshite

Named after Charles W. Marsh who was the first to note the mineral at Broken Hill in Australia from which Marshite gets its type locality. Marshite is a rare mineral that occurs only in Australia, Chile, and Finland and some newer localities in Russia and Germany. At Broken Hill it occurs in the oxidized zone of the metamorphosed lead-zinc-silver deposit, in Chile in an oxidized copper prophry deposit, and in Finland on a copper anomaly and introduced by brackish seawater. Under short-wave ultraviolet light Marshite will fluoresce a deep red.

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

Marthozite

Named in honor of Aime Marthoz, a former Director of the Union Miniere de Haut-Katanga in what is now the Democratic Republic of the Congo. Marthozite is a rare mineral that is found as an “alteration product of selenian digenite in the oxidation zone of a uranium-bearing Co-Cu deposit at its type locality from the Musonoi Co-Cu mine in the Democratic republic of the Congo. Other localities for Marthozite include in Switzerland and the Czech Republic.

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

Martyite

Named after Joe Marty for his contributions to the science of mineralogy. Martyite is a rare mineral found only at the type locality in the Blue Cap mine in Utah, USA. Here it occurs as a product of groundwater leaching and oxidation of vanadium oxides in a post-mining environment.” Associated minerals include gypsum, rossite, pyite, montroseite, and magnesiopascoite.

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

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