# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: "J. R. Devore. Refractive indices of rutile and sphalerite, <a href=\"https://doi.org/10.1364/JOSA.41.000416\"><i>J. Opt. Soc. Am.</i> <b>41</b>, 416-419 (1951)</a>"
COMMENTS: "Ordinary ray (o); Room temperature."
DATA:
  - type: formula 4
    range: 0.43 1.53
    coefficients: 5.913 0.2441 0 0.0803 1 0 0 0 1
