Found all over the world, calcite is the most stable form of calcium carbonate and is the main mineral found in limestone. We ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This object is part of the Education ...

Travertine is not only a geological wonder but also a popular building material. Its use dates back to ancient Rome, evident ...