@misc{indiciaeec7e4c126812,
  title = {Cobalt: for strength and color},
  author = {Maeve A. Boland and S.J. Kropschot},
  year = {2011},
  doi = {10.3133/fs20113081},
  url = {https://pubs.usgs.gov/publication/fs20113081},
  note = {Source identifier: fs20113081}
}