. The American Museum of Natural History : pictorial guide. American Museum of Natural History; Natural history museums. Minerals, and the rocks they form, are the building blocks of the earth's crust. They are essential to man since they pro- vide a large portion not only of the soil from which we take our sustenance but also of the raw materials upon which our modern industrialized society depends. Occasionally perfect minerals are found, specimens of such rare beauty that man collects and prizes them as gems. The world-renowned mineral and gem collections of The American Museum dis- played
. The American Museum of Natural History : pictorial guide. American Museum of Natural History; Natural history museums. Minerals, and the rocks they form, are the building blocks of the earth's crust. They are essential to man since they pro- vide a large portion not only of the soil from which we take our sustenance but also of the raw materials upon which our modern industrialized society depends. Occasionally perfect minerals are found, specimens of such rare beauty that man collects and prizes them as gems. The world-renowned mineral and gem collections of The American Museum dis- played in this hall owe much to the munifi- cent gifts of J. Pierpont Morgan. The exhibits illustrate the nature, formation, and occurrence of minerals, and their technological uses. In addition there is a systematic mineral collection, in which more than 90 per cent of the 2,000 known mineral species are displayed—arranged according to chemical composition. From simple elements—copper, silver, and gold—to complex compounds con- taining several elements in combination LEFT TO RIGHT: MIDNIGHT STAR (SAPPHIRE), STAR OF INDIA (SAPPHIRE) AND STAR RUBY ?ii'A-'' Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Museum of Natural History. New York : American Museum of Natural History
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Keywords: ., bookauthorame, bookcentury1900, booksubjectnaturalhistorymuseums
