Malachit-Rundtischplatte | Kongo Malachit Description: An exceptionally large colony

Description: An exceptionally large colony of the crinoid Seirocrinus subangularis attached to fossil driftwood

resulting in a vibrant play of colors

All had a chambered shell that they used for buoyancy control

Additional information: Found in Western Australia

This is probably also the case with the present mass extinction plate of almost 21 enormous trilobites

Malachit-Rundtischplatte | Kongo Malachit Description: An exceptionally large colonyOrigin: Congo Size: D60cm Description: Malachite round table top with a variety of turquoise shades. Additional information: Malachite is a gangue mineral, but a widely distributed mineral of copper, a basic copper carbonate, Cu2CO3(OH)2. Due to its striking bright green color and its occurrence in the weathering zone of almost all copper deposits, malachite serves as a guide in copper prospecting. Significant deposits are Nizhny Tagil (Siberia),