On this week's episode of Mineral Monday we learn about a mineral that comes in many different crystal formations. On display at The Keck Museum is one of the more rare formations of calcite shown ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Colorless translucent rhomboid ...

All that glitters ... might be rock. Collector Marc Weill (center), with adviser Dennis Tanjeloff (left) and partner Daniel Trinchillo, the "Indiana Jones" of the operation. Together, they've amassed ...

Scientists from Stellenbosch University and elsewhere have used advanced uranium-lead (U-Pb) dating and elemental mapping to measure trace amounts of uranium and lead inside the calcite of fossilized ...