@misc{indiciae8c293cbba220,
  title = {Ruby and sapphire from Jegdalek, Afghanistan},
  author = {G.W. Bowersox and E.E. Foord and B.M. Laurs and J.E. Shigley and C.P. Smith},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70022220},
  note = {Source identifier: 70022220}
}