| 21. | At Swarthmore, he also taught a class on mineralogy and geology.
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| 22. | The identification of laumontite goes back to the early days of mineralogy.
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| 23. | There are also various books written about the mineralogy in the area.
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| 24. | It has three main exhibitions : mineralogy, paleontology, and zoology.
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| 25. | He majored in chemistry and mineralogy with Samuel Philip Sadtler.
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| 26. | Here he taught classes in physics, mineralogy and chemistry.
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| 27. | In 1889 departments of botany, zoology, and mineralogy were established.
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| 28. | But like H�mmerlein, the complex mineralogy prevented further projects so far.
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| 29. | He studied chemistry and mineralogy at the University of Leipzig.
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| 30. | He was also interested in geodesy, horology, mineralogy, geography.
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