. Annals of the New York Academy of Sciences. Science. Sometimes the crystals are confusedly grouped (see fig. 2), as from a common centre, much like the Aragonite from a noted European locality. For some late years mineralogists have received from several localities in the far West, groups of crystals that were hexagonal (tabular) in appearance, very impure in com- position, and to which, the name of Aragonite has been attached. For the most part they are simply calcium carbonate mixed with sand and mud, and are without cleavage. It is very probable that they are pseudomorphs after the sodium
. Annals of the New York Academy of Sciences. Science. Sometimes the crystals are confusedly grouped (see fig. 2), as from a common centre, much like the Aragonite from a noted European locality. For some late years mineralogists have received from several localities in the far West, groups of crystals that were hexagonal (tabular) in appearance, very impure in com- position, and to which, the name of Aragonite has been attached. For the most part they are simply calcium carbonate mixed with sand and mud, and are without cleavage. It is very probable that they are pseudomorphs after the sodium sulphato-earbonate. 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 New York Academy of Sciences. New York, New York Academy of Sciences
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1877
