@misc{indiciae38db6b96f69b,
  title = {Crystal structure of howlite, Ca2SiB5O9(OH)5},
  author = {J.J. Finney and I. Kumbasar and J. R. Clark},
  year = {1969},
  doi = {10.1007/bf00599589},
  url = {https://pubs.usgs.gov/publication/70001768},
  note = {Source identifier: 70001768}
}