@misc{indiciaecc35f7d3a997,
  title = {Spectral properties of Ca-sulfates: Gypsum, bassanite, and anhydrite},
  author = {Janice L. Bishop and Melissa D. Lane and M. Darby Dyar and Sara J. King and Adrian J. Brown and Gregg A. Swayze},
  year = {2014},
  doi = {10.2138/am-2014-4756},
  url = {https://pubs.usgs.gov/publication/70189097},
  note = {Source identifier: 70189097}
}