Chemistry in Pictures: Crystalline sulfur ... He acquired this remarkably clear sulfur crystal—about 90 mm tall—in Peru. Credit: Yinan Wang, @fossillocator on Twitter.

Home / Volcanic Moon Io Wears Sulfur-Rich ‘Snow’ in New NASA Images. Posted in Press Release Volcanic Moon Io Wears Sulfur-Rich ‘Snow’ in New NASA Images by SpaceRef October 26, 2000.