- Author: McNicholas Michael
- Language: English
- Year: 2008
- Author: Rajib Shaw Atta-ur-Rahman Akhilesh Surjan Gulsan Ara Parvin
- Language: English
- Year: 2016
- Author: Esteban Miguel, Shibayama Tomoya, Takagi Hiroshi
- Language: English
- Year: 2015
- Author: Sanders Roy E
- Language: English
- Year: 2015
- Author: Kearsley M. J., Lifshit︠s︡ Evgeniĭ Mikhaĭlovich, Pitaevskiĭ Lev Petrovich, Sykes John Bradbury, Landau Lev Davidovich
- Language: English, Русский
- Year: 2008
- Author: House D. J
- Language: English
- Year: 2004
- Author: Woodyard Douglas F., Pounder Cuthbert Coulson
- Language: English
- Year: 2004
Gemmology
pdf
- Author: Peter Read C Eng MIEE FGA DGA
- Language: English
- Year: 2005
- Author: Leslie de Chernatony Leslie de Chernatony Malcolm McDonald
- Language: English
- Year: 2003