==== KECK/NASA 'RELAB reflectance experiment laboratory' database ====

  * //**Main page:**// [[http://www.planetary.brown.edu/relab/]] or at PDS [[https://pds-geosciences.wustl.edu/missions/mro/spectral_library.htm]]
  * //**Short description:**// database from KECK/NASA (US) focused on the reflectance spectra of minerals and some other natural and man-made materials over the near UV to Near-IR or Mid/Far-IR (0.2-150µm) 
  * //**Access to data:**// [[https://pds-speclib.rsl.wustl.edu/search.aspx|RELAB database]]
  * //**Sample types:**// Minerals (4650), Rocks (3100), Meteorites (2600), Lunar samples (1160), organics (380), synthetic materials (3000) and various mixtures (3000)
  * //**Spectra types:**// Reflectance spectra over the Visible to Near-IR (0.3-2.5µm) or Mid/Far-IR (-150µm)
  * //**Search tools:**//  Interface with Keyword, Chemical composition, Sample origin, type and size, Material type, sub-type and state, Mineral or rock type, Measurement type, Spectral range, Observation geometry
  * //**Data format:**// ASCII (.tab)
  * //**Preview format:**// dynamic 
  * //**Metadata:**// Sample ID and name, Particle Size Range, Collection location, Provider, Material origin, state and type, Mineral typa and subtype, Spectral range, Measurement geometry.
  * //**Metadata format:**// XML (.xml)
  * //**Download:**// via cart and HTTP (zip)
  * //**Notes:**//