Genre: Documentaire
Sterren: Richard Kiley
Bemanning: Irwin Rosten (Producer), Irwin Rosten (Writer), Jay Chattaway (Music), Barry Nye (Editor), Nancy Severinsen (Music Coordinator), Jack K. Tillar (Music Supervisor)
Land: United States of America
Taal:
Studio: WQED, National Geographic
Looptijd: 58 minuten
Kwaliteit: HD
Vrijgegeven: Mar 13, 1991
IMDb: 10
Sleutelwoorden:gemstone, national geographic
