# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: "<a href=\"https://refractiveindex.info/download/data/2011/barberini/d06870-v-513-e.pdf\">Barberini D0587 glass specifications, 2011-01</a>"
COMMENTS: "20 °C<br>Photochromic Glass; Colour: clear; Application: Lower segment glass for photochromic ophthalmic crown glass"
DATA:
  - type: tabulated n
    data: |
        0.43583 1.6779
        0.47999 1.6684
        0.48613 1.6673
        0.54607 1.6588
        0.58756 1.6545
        0.58929 1.6543
        0.64385 1.6500
        0.65627 1.6492
