Genre: Dokumenter
Bintang Aktor: Richard Kiley
Crew: Robert Hanna (Director of Photography), Christopher Fryman (Cinematography), Jill Shinefield (Production Assistant), Robert Dean Hughes (Post Production Assistant), Ann M. Parish (Assistant Editor), David L. Lahaie (Post Production Supervisor)
Negara: United States of America
Bahasa:
Studio: WQED, National Geographic
Runtime: 58 menit
Kualitas: HD
Rilis: Mar 13, 1991
IMDb: 10
Kata kunci:gemstone, national geographic
