A solar optical hyperspectral library of rare earth-bearing minerals, rare earth oxides, copper-bearing minerals and Apliki mine surface samples - Koerting, F.; Koellner, N.; Kuras, A.; Boesche, N. K.; Rogass, C.; Mielke, C.; Elger, K.; Altenberger, U. (Earth Syst. Sci. Data Discuss., 2019)