reflectance  search
UFreflectance spectra
 reflectivity
RTorganic compounds
 albedo
 brightness
 coal
 microscope methods
 crystallography
 mineralogy
 ore reflectivity
SNApplies to specific samples of coal, organic compounds, and sometimes minerals. As of 1982, use ore reflectivity for ore deposits. When discussing methods, also use microscope methods. Does not include reflectivity of a rock bed to seismic waves.
reflectance spectra  search
USEreflectance