A popular guide to minerals : with chapters on the Bement Collection of minerals in the American Museum of Natural History, and the development of mineralogy (1912)
Gratacap, L. P. (Louis Pope), 1851-1917 · New York : D. Van Nostrand · leaf 32
Fig. 71 … Fig. 82 Fig. 83 Fig. 84
American Museum of Natural History. Bement Collection of Minerals · Mineralogy
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