Pure obsidian is generally black, although the colour differs with the existence of impurity. The jade could be light gray to black with iron and other transformation components. The majority of black obsidians are magnetite-nanoinclusions, iron oxide. Very few obsidian specimens are almost colorless...
Green Obsidian is one ofObsidian Rocksthat contain impurities as Pure obsidian usually appears to be dark, although the color may vary depending on the presence of impurities. Iron and other elements of transition can give a dark brown to black color to the obsidian. Most black obsidians contain...
Green Obsidianis one of obsidian rocks that contain impurities. Iron and other elements of transition can give a dark brown to black color to the obsidian. Most black obsidians contain magnetite, an iron oxide, nanoinclusions, the composition of obsidian is extremelyfelsic. Elmerite is a trade ...