Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/refractive> ?o. }
- Olivine refractive "nγ = 1.670–1.690".
- Omphacite refractive "nα = 1.662 - 1.701 nβ = 1.670 - 1.712 nγ = 1.685 - 1.723".
- Opal refractive "1.45".
- Ordóñezite refractive "N = 2.02 - 2.04".
- Orpiment refractive "nα = 2.400 nβ = 2.810 nγ = 3.020".
- Orthoclase refractive "nα = 1.518–1.520".
- Orthoclase refractive "nβ = 1.522–1.524".
- Orthoclase refractive "nγ = 1.522–1.525".
- Osarizawaite refractive "nω = 1.712 nε = 1.732".
- Osumilite refractive "w=1.545-1.547, e=1.549-1.551".
- Otwayite refractive "nα = 1.650 nγ = 1.720".
- Pabstite refractive "nω = 1.685 nε = 1.674".
- Painite refractive "no = 1.8159, ne = 1.7875".
- Panethite refractive "α=1.567, β=1.576, γ = 1.579 all +-0.001".
- Papagoite refractive "nα = 1.607 nβ = 1.641 nγ = 1.672".
- Paragonite refractive "nα = 1.564 - 1.580 nβ = 1.594 - 1.609 nγ = 1.600 - 1.609".
- Paralaurionite refractive "nα = 2.050 nβ = 2.150 nγ = 2.200".
- Pargasite refractive "nα = 1.630 nβ = 1.640 nγ = 1.650".
- Parthéite refractive "nα = 1.547 - 1.550 nβ = 1.549 - 1.552 nγ = 1.559 - 1.565".
- Pascoite refractive "nα = 1.775".
- Pascoite refractive "nβ = 1.815".
- Pascoite refractive "nγ = 1.825".
- Paulingite refractive "n=1.472-1.484".
- Pearceite refractive "2.7".
- Pectolite refractive "nα = 1.594 - 1.610 nβ = 1.603 - 1.614 nγ = 1.631 - 1.642".
- Pentagonite refractive "nα = 1.533 nβ = 1.544 nγ = 1.547".
- Pentlandite refractive "opaque".
- Periclase refractive "n = 1.735–1.745".
- Peridot refractive "1.64".
- Perite refractive "ncalculated2.29 - 2.3".
- Perovskite refractive "nα=2.3, nβ=2.34, nγ=2.38".
- Petalite refractive "nα=1.504, nβ=1.510, nγ=1.516".
- Pezzottaite refractive "1.601".
- Pharmacolite refractive "nα = 1.580 - 1.583 nβ = 1.589 - 1.590 nγ = 1.590 - 1.594".
- Phenakite refractive "nω = 1.650 - 1.656 nε = 1.667 - 1.670".
- Phillipsite refractive "nα = 1.483 - 1.505 nβ = 1.484 - 1.511 nγ = 1.486 - 1.514".
- Phlogopite refractive "nα = 1.530 - 1.573 nβ = 1.557 - 1.617 nγ = 1.558 - 1.618".
- Phoenicochroite refractive "nα = 2.380, nβ = 2.440, nγ = 2.650".
- Phosgenite refractive "nω = 2.118 nε = 2.145".
- Phosphophyllite refractive "1.59".
- Pickeringite refractive "nα = 1.476 nβ = 1.480 nγ = 1.483".
- Picropharmacolite refractive "nα = 1.631, nβ = 1.632, nγ = 1.640 or nα = 1.557, nβ = 1.566 – 1.571, nγ = 1.577 – 1.579".
- Piemontite refractive "nα = 1.725 - 1.756 nβ = 1.730 - 1.789 nγ = 1.750 - 1.832".
- Pigeonite refractive "nα = 1.683 - 1.722 nβ = 1.684 - 1.722 nγ = 1.704 - 1.752".
- Pimelite refractive "Nx = 1.592, Ny = 1.615".
- Pinalite refractive "nα = 2.490 nβ = 2.495 nγ = 2.505".
- Pinnoite refractive "nω = 1.565 nε = 1.575".
- Piypite refractive "nω = 1.583 nε = 1.695".
- Plagioclase refractive "Albite: nα 1.527, nβ 1.532 nγ 1.538".
- Plagioclase refractive "Anorthite: nα 1.577 nβ 1.585 nγ 1.590".
- Plancheite refractive "Nx = 1.645, Ny = 1.660 Nz = 1.715".
- Plancheite refractive "Nx = 1.697, Ny = 1.718, Nz = 1.741".
- Plattnerite refractive "nω=2.35, nε=2.25".
- Plumbogummite refractive "ne = 1.675 or 1.675 to 1.704".
- Plumbogummite refractive "no = 1.653 or 1.653 to 1.688".
- Plumbogummite refractive "no = 1.722 and ne = 1.742 for Ga-rich plumbogummite".
- Pollucite refractive "1.508".
- Polyhalite refractive "nα = 1.546 - 1.548 nβ = 1.558 - 1.562 nγ = 1.567".
- Portlandite refractive "nω = 1.574 nε = 1.547".
- Poudretteite refractive "1.511".
- Powellite refractive "nω = 1.974 nε = 1.984".
- Prehnite refractive "nα = 1.611 - 1.632 nβ = 1.615 - 1.642 nγ = 1.632 - 1.665".
- Proustite refractive "nω = 3.087 - 3.088 nε = 2.792".
- Pseudobrookite refractive "nα = 2.350 nβ = 2.390 nγ = 2.420".
- Pseudomalachite refractive "nα = 1.791 nβ = 1.856 nγ = 1.867".
- Purpurite refractive "nα = 1.850 nβ = 1.860 nγ = 1.920".
- Pyrargyrite refractive "translucent to nearly opaque".
- Pyrochlore refractive "n = 1.9–2.2".
- Pyrolusite refractive "Opaque".
- Pyromorphite refractive "nω = 2.058 nε = 2.048".
- Pyrope refractive "1.74".
- Pyrophanite refractive "nω = 2.481 nε = 2.210".
- Pyrophyllite refractive "nα=1.534-1.556, nβ=1.586-1.589, nγ=1.596-1.601".
- Pyroxferroite refractive "nα = 1.748–1.756".
- Pyroxferroite refractive "nβ = 1.750–1.758".
- Pyroxferroite refractive "nγ = 1.767–1.768".
- Pyrrhotite refractive "Opaque".
- Quartz refractive "nε = 1.552–1.554".
- Quartz refractive "nω = 1.543–1.545".
- Quintinite refractive "1.533".
- Rameauite refractive "a= n.d. β= 1.95 γ= 1.97".
- Rapidcreekite refractive "nα = 1.516".
- Rapidcreekite refractive "nβ = 1.518".
- Rapidcreekite refractive "nγ = 1.531".
- Realgar refractive "nα = 2.538".
- Realgar refractive "nβ = 2.684".
- Realgar refractive "nγ = 2.704".
- Reinerite refractive "nα = 1.740 nβ = 1.790 nγ = 1.820".
- Renierite refractive "opaque".
- Rhodochrosite refractive "nω = 1.814 - 1.816 nε = 1.596 - 1.598".
- Rhodolite refractive "1.76".
- Rhodonite refractive "nα = 1.711 - 1.738 nβ = 1.714 - 1.741 nγ = 1.724 - 1.751".
- Riebeckite refractive "nα = 1.680 - 1.698 nβ = 1.683 - 1.700 nγ = 1.685 - 1.706".
- Ringwoodite refractive "n = 1.8".
- Robertsite refractive "nα = 1.775 nβ = 1.820 nγ = 1.820".
- Rodalquilarite refractive "nα = 2.100 nγ = 2.200".
- Rosasite refractive "nα = 1.672 - 1.688 nβ = 1.796 - 1.830 nγ = 1.811 - 1.831".
- Roscoelite refractive "nα=1.60 nβ=1.66 nγ=1.67".
- Roselite refractive "nα = 1.725 nβ = 1.728 nγ = 1.735".
- Rozenite refractive "nα = 1.526 - 1.528 nβ = 1.536 - 1.537 nγ = 1.541 - 1.545".