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Merumite
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| Name: | From the Merume river, Guyana. | ||
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| A Mixture Of: | Bracewellite, Eskolaite, Grimaldiite, Guyanaite, Mcconnellite | ||
Originally described as"Cr2O3.H2O" [American Mineralogist, 34, 339 (1949)], but now known to be mostly eskolaite, intergrown with varying proportions of four other fine-grained chromium minerals. Occurs as hard black pebbles in river placers.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Updated Mineral Entry: MetauranospiniteFrom Van King, 22nd May 2013 12:28:11

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