Keywords: Glauconite-599213.jpg Glauconite Field of View 20 mm Locality Johnson County Wyoming USA A patch of green micaceous glauconite in Cambrian limestone conglomerate Glauconite very rarely exhibits a micaceous habit despite being a mica group mineral The patch is 7 mm long Glaukonit Sichtfeld 20 mm Fundort Johnson County Wyoming USA http //www mindat org/photo-599213 html 2014-03-13 http //www mindat org/user-18122 html James Cheshire James Cheshire Glauconite Files by James Cheshire from mindat |