| 41. | It was a predecessor of the Fersman Mineralogical Museum, now based in Moscow.
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| 42. | Since 1869 the institute has also been the headquarters of the Russian Mineralogical Society.
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| 43. | He served as the president of the English Mineralogical Society from 1915 until 1918.
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| 44. | Anderson developed an alternative model of the mineralogical and isotopic composition of the mantle.
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| 45. | He specialised in crystallography and mineralogy and was sometime President of the Mineralogical Society.
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| 46. | It has been given the International Mineralogical Association number of IMA 2007-045.
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| 47. | In 1894, he became curator of its geological, paleontological and mineralogical departments.
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| 48. | It was discovered in 1978 and approved by the International Mineralogical Association in 1980.
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| 49. | He was the president of the Mineralogical Association of Canada from 1970 to 1971.
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| 50. | They rush to the mineralogical center and find Ottoman running out of the building.
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