Spacing of lattice in labradorite and interference model of iridescent
Authors:
About authors
- Post-graduate student Saint Petersburg State Mining Institute (Technical University)
Abstract
Spacing of lattice for non-iridescent labradorite, blue-iridescent labradorite, green-iridescent labradorite and red-iridescent labradorite were determined with scanning probe electron microscope. Lattice spacing increases the dynamical trend for different kinds of labradorite, line non-iridescent labradorite (107,5 ± 10 nm), blue-iridescent labradorite (150 ± 10 nm), green-iridescent labradorite (196 ± 10 nm), red-iridescent (231 ± 10 nm). This trend let is state iridescent of these samples to be caused by interference of secondary order.
Область исследования:
Geology
References
- Betehtin A.G. Course of mineralogy. Moscow: State scientific and technical publishing house of geological and conservation of resources literature, 1951. 543 p.
- Kramarenko N.K. Phase composition, lamellar structure and iridescent of plagioclases. Kiev: Naukova Dumka, 1975. 108 р.
- Putilin E.S. Optical coatings. Saint Petersburg: SPbSU IFMO, 2005. 201 р.
- Rozenberg G.IV. Optics of thin-film coatings. Moscow: Fizmatgiz, 1958. 392 p.
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