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Mineralpedia Details for Quintinite




Named for author of “The Complete Book of Micromounting” and contributor to the mineralogical studies of Mont Saint-Hilaire, Quintin Wight. Notable localities for Quintinite are found at one of the two co-type localities at the Jacupiranga mine in Sao Paulo in Brazil where it occurs in a carbonatite with gonnardite and donnayite. The second co-type locality is at the Poudrette quarry in Mont Saint-Hilaire in Quebec, Canada in a nepheline syenite. Quintinite can also be found in Russia in the Eastern Siberian region at the Korshunovskoye Iron mine, and in the Kola Peninsua in the Kovdor massif. Quintinite appears as orange-brown to yellow to colorless equant or prismatic crystals. It has two polytypes, one hexagonal, and one trigonal.

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

IMA/CNMNC List of Mineral Names (2009) and Canadian Mineralogist 35 (1997), 1541

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Quintinite from Jacupiranga mine, Cajati, São Paulo, Brazil

            from Jacupiranga mine, Cajati, São Paulo, Brazil

Interesting tabular, hexagonal crystals to 1mm some forming cones with white bands. Quintinite was first described in 1997 in the Canadian Mineralogist. It is a Mn-Al carbonate related to hydrotalcite with several polytypes. Quintinite was named after Quintin Wight of Ottawa, Ontario for his involved and thorough research of MSH minerals. Mont Saint Hilaire is the co-type locality. He is also the author of the Complete Book of Micromounting, a standard and highly regarded book. Quintin was inducted into the micromounters hall of fame in 1990. 

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