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Oligonite
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Rebentão mine, Lagares do Estanho mines, Queiriga, Vila Nova de Paiva, Viseu District, Portugal
© Martins da Pedra
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| Name: | From the Greek όλίγος, small, due to the lower specific gravity ofn this variety due to substituted Mn for Fe. | |||||||
A variety of Siderite
A manganoan variety of Siderite, with up to 40% MnCO3 [Clark, 1993 - "Hey's Mineral Index"]
A manganoan variety of Siderite, with up to 40% MnCO3 [Clark, 1993 - "Hey's Mineral Index"]
Classification of Oligonite | ||||||
| mindat.org URL: | http://www.mindat.org/min-2978.html Please feel free to link to this page. | |||||
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Chemical Properties of Oligonite | ||||||
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| Essential elements: | C, Fe, O | |||||
| All elements listed in formula: | C, Fe, Mn, O | |||||
Other Names for Oligonite | ||||||
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Other Information | ||||||
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. | |||||
References for Oligonite | ||||||
| Reference List: - + | Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 170. | |||||
Internet Links for Oligonite | ||||||
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Localities for Oligonite | ||||||
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(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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Locality Updated: Jones Flat placer, Webb Station, West Belt, Mariposa Co., California, USAFrom Chester S. Lemanski, Jr., 19th May 2013 16:32:10

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