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Fibroferrite  | | | | Description: | Formed from the weathering of pyritic slates (Palache et al. 1951; from Prague). | | Reference: | [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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 616.; Kouřimský, J.: O fibroferritu ze Zličína u Prahy. Sborník Národního musea v Praze, 1971, 27B, 1, 1-8.] |
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Pyrite  | | | | Reference: | [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: 616.] |
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