
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.
| Release Date | January 1, 1975 | |
|---|---|---|
| Status | Released | |
| Original Title | A Pedra da Riqueza | |
| Runtime | 16min | |
| Budget | — | |
| Revenue | — | |
| Language | Portuguese | |
| Original Language | Portuguese | |
| Production Countries | Brazil | |
| Production Companies | ||