title: Comment on "Trace elemental analysis of Indian natural moonstone gems by PIXE and XRD techniques" by Rao et al. [Appl. Radiat. Isot. 82 (2013) 211-222].
authors.affiliation: Tata Institute of Fundamental Research, Mumbai 400 005, India. Electronic address: pranaba@hotmail.com.
authors.forename: Pranaba K
authors.initials: PK
authors.lastname: Nayak