. Annals of the New York Academy of Sciences. Science; Science -- New York (State). 124 ANNALS NEW YORK ACADEMY OF SCIENCES dent than is the case with the smaller form of albite crystals, but it is believed that the same process prevailed in a slightly modified form. Crystals of the larger type are best seen in slides 133 and 134. The hand. Fig. 4. Single crystal of secondary albite showing both carlsbad and albite twinning. Crossed nicols. X 35. Slide specimen from which both of these slides were prepared shows numerous clear, glassy crystals imbedded in pectolite. The microscopic appea
. Annals of the New York Academy of Sciences. Science; Science -- New York (State). 124 ANNALS NEW YORK ACADEMY OF SCIENCES dent than is the case with the smaller form of albite crystals, but it is believed that the same process prevailed in a slightly modified form. Crystals of the larger type are best seen in slides 133 and 134. The hand. Fig. 4. Single crystal of secondary albite showing both carlsbad and albite twinning. Crossed nicols. X 35. Slide specimen from which both of these slides were prepared shows numerous clear, glassy crystals imbedded in pectolite. The microscopic appearance. 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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