==== CalTech 'Mineral Spectroscopy Server' ==== * //**Main page:**// [[http://minerals.gps.caltech.edu/index.html]] * //**Short description:**// database from CalTech focused on transmission spectra of minerals as single crystals (Visible Near-IR: 0.3-2.5 µm), KBr pellets (Mid-IR: 2.5-50µm) and Polyethylene pellets (Far-IR: 15-200µm) * //**Access to data:**// [[http://minerals.gps.caltech.edu/FILES/Index.html|Mineral Spectroscopy Server]] * //**Sample types:**// Minerals: single crystals, KBr pellets and Polyethylene pellets * //**Spectra types:**// transmission spectra over the Visible and near-IR (0.3-2.5 µm), Mid-IR (2.5-50 µm) and Far-IR (15-200µm) * //**Search tools:**// Static lists of mineral names * //**Data format:**// ASCII (.txt) * //**Preview format:**// GIF (.gif) * //**Metadata:**// limited: Mineral, Sample ID, Collection location, Sample description and image, Sample thickness, polarization,.. * //**Metadata format:**// in HTML page (.html) and part in header of data file (.txt) * //**Download:**// individual download * //**Notes:**// Frequently missing data files ...