copperous

Adjective

 * 1) * 1770, abbé Chappe d'Auteroche, A Journey Into Siberia: Made by Order of the King of France (page 213)
 * Calcareous, copperous, greenish stone.
 * 1) * 1770, abbé Chappe d'Auteroche, A Journey Into Siberia: Made by Order of the King of France (page 213)
 * Calcareous, copperous, greenish stone.