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By: Francis, Godfrey HerbertType: ArticleIn: Bulletin of the British Museum (Natural History) MineralogyVolume: 1Series:Issue: 6Date: 1964Page Range: 165--199Publication Info: London, BM(NH),Subjects:
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By: Francis, Godfrey HerbertType: ArticleIn: Bulletin of the British Museum (Natural History) MineralogyVolume: 1Series:Issue: 5Date: 1958-02Page Range: 123--162Publication Info: London, BM(NH),Subjects: