. Annals of the New York Academy of Sciences. Science; Science -- New York (State). 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. Fig. 5. Crystal of secondary albite partly replaced by pectolite. Outline is corroded and interior clouded in places, and pectolite fibres are advancing across it. X 35. Slide 134. of a single crystal between crossed nicols is shown in fig. 4, and one
. Annals of the New York Academy of Sciences. Science; Science -- New York (State). 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. Fig. 5. Crystal of secondary albite partly replaced by pectolite. Outline is corroded and interior clouded in places, and pectolite fibres are advancing across it. X 35. Slide 134. of a single crystal between crossed nicols is shown in fig. 4, and one in which the albite has been partly replaced by pectolite is shown in fig. 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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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1879
