Released
A Pedra da Riqueza
January 1 1975 (almost 50 years ago)Rating
55
Based on
2 reviews
- Director: Vladimir Carvalho
- Genre: Documentary
- Runtime: 16 m
- Country: Brazil
The contrast in the extremely rudimentary form of xelite mining and the use of tungsten, obtained from xelite, in the most complex instruments of nuclear technology.