Encyclopedia of minerals and gemstones ; edited by Michael O'Donoghue.
Encyclopedia of minerals and gemstones ; edited by Michael O'Donoghue.
- London: Orbis Publishing, c1976.
- 304 p. : col. ill. ; 30 cm.
Includes index.
Bibliography: p. 296-297.
0856132098
Mineralogy
Precious stones
549
Includes index.
Bibliography: p. 296-297.
0856132098
Mineralogy
Precious stones
549