NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ancient life on the Red Planet. The crystals, along with other minerals such ...

For regular upkeep, it’s best to clean marble with a mixture of mild dish soap and warm water. Quartz: Quartz counters are low maintenance. The surface does not require sealing and standard ...

Right: OH-defects in young (0.3 Gyr) Variscan granites are one order of magnitude higher than in old (0.9-1.8 Gyr) Proterozoic granites from Scandinavia . The OH-content is reflected in recent ...