Romanèchite
Locality: Adam Heber Mine, Neustädtel, Schneeberg, Erzgebirgskreis, Saxony, Germany
Calcite, Palygorskite & Romanechite
Locality: Palmarejo Mine, Chihuahua, Mexico
Romanechite & Goethite
Locality: Királyszentistván, Veszprém County, Hungary
Romanechite & Pyrolusite
Locality: Haití mine, Cabezo de San Ginés, San Ginés de la Jara, Sierra Minera de Cartagena-La Unión, Cartagena, Murcia, Spain