The largest ammonite fossil that has been found was 1.8 meters (5.9 feet) across, but it’s living chamber was incomplete. It is of the species Parapuzosia seppenradensis and was found near Westphalia, Germany in 1895.
Minerals form the building blocks of almost everything on earth. Minerals are defined as naturally occurring, inorganic, solids with a definite chemical composition. Quartz is a mineral, salt is a mineral, copper is a mineral, even ice would be considered…
Fossils have a wide array of colors not due to the original color of the organism, but because of the complicated mineralization process.
In 1986 the Kentucky state legislature designated the brachiopod as the Kentucky state fossil. Brachiopods are small, filter-feeding marine organisms that superficially look like clams.
In 1985 the Maine state legislature designated the Middle Devonian vascular plant, Pertica Quadrifaria as the Maine state fossil.
Explore the 530-million-year evolution of fish from jawless pioneers to modern diversity, tracing major fossils, extinction events, and key adaptations.
Chalcedony is a broad term to describe a microcrystalline form of silica. Agate is any type of chalcedony which is translucent, while jasper is any type of chalcedony which is opaque.
Two geodes geodes are claimed to be the largest in the world, the Pulpi Geode in Spain and Ohio's celestite crystal cave.
Geodes are spherical rocks with crystal-lined cavities. Learn how they form and become lined with crystals.
Up until the discovery of large amethyst deposits in Brazil during the early 19th century, amethyst was considered a precious gemstone comparable to diamonds, rubies, sapphires and emeralds.
