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. Bulletin - New York State Museum. Science. 1 Quartz, Crystal mountain, 2 Quartz (smoky), St Gothard, Switzerland. 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 State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887