File:Alumohydrocalcite_in_nickel_stained_rock_Hydrous_basic_calcium_aluminum_carbonate_Mount_Hamilton_Santa_Clara_County_California_2321.jpg
File:Alumohydrocalcite_in_nickel_stained_rock_Hydrous_basic_calcium_aluminum_carbonate_Mount_Hamilton_Santa_Clara_County_California_2321.jpg