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REFERENCES: "<a href=\"https://refractiveindex.info/download/data/2010/barberini/d0991e.pdf\">Barberini D0991 glass specifications, 2010-06</a>"
COMMENTS: "20 °C<br>Mold Glass; Colour: clear; Application: Special glass for moulds, in particular suitable for a rapid chemical toughening without problems."
DATA:
  - type: tabulated n
    data: |
        0.43583 1.5343
        0.47999 1.5298
        0.48613 1.5293
        0.54607 1.5251
        0.58756 1.5229
        0.58929 1.5228
        0.64385 1.5205
        0.65627 1.5201
