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Vol 186
Pages:
38-40
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RUS
Article
Geology

Spacing of lattice in labradorite and interference model of iridescent

Authors:
A. P. Simakov
About authors
  • Post-graduate student Saint Petersburg State Mining Institute (Technical University)
Date submitted:
2009-08-10
Date accepted:
2009-10-15
Date published:
2010-02-01

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
Keywords:
iridescent interference lamellies labradorite solid solution extraction
Go to volume 186

References

  1. Betehtin A.G. Course of mineralogy. Moscow: State scientific and technical publishing house of geological and conservation of resources literature, 1951. 543 p.
  2. Kramarenko N.K. Phase composition, lamellar structure and iridescent of plagioclases. Kiev: Naukova Dumka, 1975. 108 р.
  3. Putilin E.S. Optical coatings. Saint Petersburg: SPbSU IFMO, 2005. 201 р.
  4. Rozenberg G.IV. Optics of thin-film coatings. Moscow: Fizmatgiz, 1958. 392 p.

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