👉 Cornubianite is a mineral that has been recognized as an important part of Earth's history. It was first discovered in 1903 by the English geologist Charles Wheatstone Cornubia, who named it after his wife, who had died during the discovery. Cornubianite is a type of quartz mineral and is found in various forms such as feldspar, chalcopyrite, and garnet. Cornubianite has a very distinctive appearance due to its
