A United States special agency (NASA) claims to have found, on Mars, the precious stone opal.
On Earth, opal can be found in only two places: Australia and Brazil.
According to NASA, the recent discovery of opal on Mars is important for different reasons, such as the possibility that the stone, composed in part of H₂O, can be diluted and release water.
In the country, the stone is in Piauí, and was discovered in 1969.
In May of last year, the Sustainable Agronomywas in the region where the stone is extracted. Check it out in the report:
