. Annals of the New York Academy of Sciences. Science; Science -- New York (State). *rc /tn / /e Fig. 9. Fragments of quartz with prebuite being replaced by apophyllite. Quartz is conventionally stippled to distinguish it from apophyllite. X 35. Slide 138. numerous other places, parting planes in the datolite appear to outline former quartz crystals, that is, the replacement of quartz has given rise ift/orrx. CAmitazitc Fig. 10. Quartz cut by vein of chabazite and corroded by same on margin. X 35. Slide 146. to roughly pseudomorphic forms of datolite. In 125, also, pyramidal quartz crystals ha
. Annals of the New York Academy of Sciences. Science; Science -- New York (State). *rc /tn / /e Fig. 9. Fragments of quartz with prebuite being replaced by apophyllite. Quartz is conventionally stippled to distinguish it from apophyllite. X 35. Slide 138. numerous other places, parting planes in the datolite appear to outline former quartz crystals, that is, the replacement of quartz has given rise ift/orrx. CAmitazitc Fig. 10. Quartz cut by vein of chabazite and corroded by same on margin. X 35. Slide 146. to roughly pseudomorphic forms of datolite. In 125, also, pyramidal quartz crystals have been slightly replaced by 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; Casey, Thos. L. (Thomas Lincoln), 1857-1925; Van Ingen, Gilbert, 1869-; Poor, Charles Lane, 1866-; Hovey, Edmund Otis, 1862-1924; Tower, Ralph W. (Ralph Winfred), 1870-1926. New York, New York Academy of Sciences
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