TY  - RPRT
TI  - Tourmaline (dravite) from the Boehls Butte anorthosite, Idaho, U.S.A.
AU  - Anna Hietanen
PY  - 1987
DO  - 10.17741/bgsf/59.2.002
UR  - https://pubs.usgs.gov/publication/70014770
ID  - 70014770
ER  -