Scientists nicknamed the 5-inch sample of yellow sulfur crystals "Convict Lake" after a lake in California's Sierra Nevada mountains, according to NASA. Curiosity snapped photos of the piece of ...

In this region, the Mars Curiosity rover imaged a field of various pure sulfur stones and drilled its 41st rock sample. Up Next Previous. Next. Robotic Spaceflight, Solar System.

NASA’s Curiosity rover made a “mind-blowing” discovery on Mars — yellowish-green crystals of pure sulfur, never before seen on Earth’s mysterious red neighbor, according to scientists.

NASA scientists say pure sulfur has been found on Mars for the first time after the Curiosity rover inadvertently uncovered a cluster of yellow crystals when it drove over a rock.

Pure sulfur, on the other hand, only forms under a very narrow set of conditions, which are not known to have occurred in the region of Mars where Curiosity made its discovery.

RAW MATERIALS: Freeport’s Find. 4 minute read. ... Freeport expects to mine 500,000 tons of brimstone (pure sulphur) a year by 1953. The effect of this announcement last week was electric.

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Pure sulfur, on the other hand, only forms under a very narrow set of conditions, which are not known to have occurred in the region of Mars where Curiosity made its discovery.