Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/refractive> ?o. }
- Tarbuttite refractive "nβ = 1.705".
- Tarbuttite refractive "nγ = 1.713".
- Tausonite refractive "n = 2.40".
- Tellurite refractive "nα = 2.000 nβ = 2.180 nγ = 2.350".
- Tennantite refractive "n greater than 2.72".
- Tephroite refractive "nα = 1.759 nβ = 1.797 nγ = 1.860".
- Terlinguaite refractive "nα = 2.350 nβ = 2.640 nγ = 2.660".
- Tetrahedrite refractive "n greater than 2.72".
- Thaumasite refractive "nω = 1.498–1.507 nε = 1.458–1.470".
- Thenardite refractive "nα = 1.471, nβ = 1.477, nγ = 1.484".
- Thermonatrite refractive "nα = 1.420 nβ = 1.506 nγ = 1.524".
- Thomasclarkite-(Y) refractive "α= 1.40, β= 1.540, γ= 1.540".
- Thorianite refractive "n = 2.20 – 2.35".
- Thorite refractive "nω = 1.790 - 1.840 nε = 1.780 - 1.820".
- Thulite refractive "1.69".
- Tinaksite refractive "nα = 1.593 nβ = 1.621 nγ = 1.666".
- Titanite refractive "nα = 1.843 - 1.950 nβ = 1.870 - 2.034 nγ = 1.943 - 2.110".
- Tobermorite refractive "nα = 1.570 nβ = 1.571 nγ = 1.575".
- Todorokite refractive "Greater than 1.74".
- Tokyoite refractive "a=1.99, g=2.03".
- Topaz refractive "nα = 1.606–1.629".
- Topaz refractive "nβ = 1.609–1.631".
- Topaz refractive "nγ = 1.616–1.638".
- Torbernite refractive "nω = 1.590 - 1.592 nε = 1.581 - 1.582".
- Tourmaline refractive "nω=1.635–1.675, nε=1.610–1.650".
- Tranquillityite refractive "nα = 2.120".
- Tremolite refractive "nα = 1.599 - 1.612 nβ = 1.613 - 1.626 nγ = 1.625 - 1.637".
- Trevorite refractive "n = 2.41".
- Tridymite refractive "nα=1.468–1.482 nβ=1.470–1.484 nγ=1.474–1.486".
- Triplite refractive "nα=1.643–1.684, nβ=1.647–1.693, nγ=1.668–1.703".
- Triploidite refractive "nα = 1.725 nβ = 1.726 nγ = 1.730".
- Tripuhyite refractive "nω = 2.190 nε = 2.330".
- Trona refractive "nα = 1.412 nβ = 1.492 nγ = 1.540".
- Tsavorite refractive "1.74".
- Tschermakite refractive "nα = 1.623 - 1.660 nβ = 1.630 - 1.680 nγ = 1.638 - 1.688".
- Tschermigite refractive "1.458".
- Tsumcorite refractive "nα = 1.87–1.91 nβ = 1.89–1.93 nγ = 1.92–1.96".
- Tsumebite refractive "Nx = 1.885 to 1.900, Ny = 1.920, Nz = 1.942 to 1.956".
- Tungstite refractive "nα = 2.090, nβ = 2.240, nγ = 2.260".
- Tuperssuatsiaite refractive "nα = 1.539, nβ = 1.560, nγ = 1.595".
- Turquoise refractive "nα = 1.610 nβ = 1.615 nγ = 1.650".
- Tusionite refractive "nω = 1.854 nε = 1.752".
- Tyuyamunite refractive "nα = 1.675 nβ = 1.860 - 1.870 nγ = 1.885 - 1.895".
- Ulexite refractive "nα = 1.491 – 1.496".
- Ulexite refractive "nβ = 1.504 – 1.506 br/>nγ = 1.519 – 1.520".
- Uranophane refractive "nα = 1.643 nβ = 1.666 nγ = 1.669".
- Urusovite refractive "nα = 1.672 nβ = 1.718 nγ = 1.722".
- Utahite refractive "nα = 1.830 - 1.840 nβ = 1.830 - 1.900 nγ = 1.880 - 1.900".
- Uvarovite refractive "n = 1.865".
- Valentinite refractive "nα = 2.180 nβ = 2.350 nγ = 2.350".
- Vanadinite refractive "nω = 2.416, nε = 2.350".
- Vanadiocarpholite refractive "nα=1.684, nβ=1.691, nγ=1.7".
- Variscite refractive "nα = 1.563 nβ = 1.588 nγ = 1.594".
- Vaterite refractive "nω = 1.550 nε = 1.650".
- Vauquelinite refractive "nα = 2.110 nβ = 2.220 nγ = 2.220".
- Vauxite refractive "Nx=1.551, Ny=1.555, Nz=1.562".
- Veatchite refractive "nα = 1.551 nβ = 1.553 nγ = 1.620".
- Vesuvianite refractive "nω = 1.703 - 1.752 nε = 1.700 - 1.746".
- Villiaumite refractive "n = 1.327–1.328".
- Vishnevite refractive "nω = 1.490 - 1.507 nε = 1.488 - 1.495".
- Vivianite refractive "nα = 1.579 - 1.616, nβ = 1.602 - 1.656, nγ = 1.629 - 1.675".
- Vladimirite refractive "nα = 1.650 - 1.651 nβ = 1.654 - 1.656 nγ = 1.656 - 1.661".
- Vlasovite refractive "Nx = 1.607, Ny = 1.623, Nz = 1.628".
- Volborthite refractive "nα = 1.793 nβ = 1.801 nγ = 1.816".
- Wadsleyite refractive "n = 1.76".
- Wakefieldite refractive "nω = 2.000 nε = 2.140".
- Walfordite refractive "n = 2.23".
- Wardite refractive "nω = 1.586 - 1.594 nε = 1.595 - 1.604".
- Warikahnite refractive "nα = 1.747 nβ = 1.753 nγ = 1.768".
- Wavellite refractive "nα = 1.518 - 1.535 nβ = 1.524 - 1.543 nγ = 1.544 - 1.561".
- Weddellite refractive "nω = 1.523 nε = 1.544".
- Weeksite refractive "nα = 1.596 nβ = 1.603 nγ = 1.606".
- Weilite refractive "nα = 1.644 nγ = 1.688".
- Weloganite refractive "nα = 1.558 nβ = 1.646 nγ = 1.640".
- Whiteite refractive "Nx = 1.580, Ny = 1.584 to 1.585, Nz = 1.590 to 1.591".
- Whitlockite refractive "nω = 1.629 nε = 1.626".
- Willemite refractive "nω = 1.691 - 1.694 nε = 1.719 - 1.725".
- Wiluite refractive "nω = 1.721 nε = 1.725".
- Witherite refractive "nα = 1.529 nβ = 1.676 nγ = 1.677".
- Wollastonite refractive "nα = 1.616–1.640".
- Wollastonite refractive "nβ = 1.628–1.650".
- Wollastonite refractive "nγ = 1.631–1.653".
- Wulfenite refractive "nω = 2.405 nε = 2.283".
- Wurtzite refractive "nω = 2.356 nε = 2.378".
- Wüstite refractive "1.735".
- Xanthoxenite refractive "nα = 1.704 nβ = 1.715 nγ = 1.724".
- Xenotime refractive "1.72".
- Xocomecatlite refractive "nα = 1.775 nβ = 1.900 nγ = 1.920".
- Yogo_sapphire refractive "Birefringence 0.008".
- Yogo_sapphire refractive "nε=1.759–1.763,".
- Yogo_sapphire refractive "nω=1.767–1.772".
- Yttrium_aluminium_garnet refractive "1.833".
- Yuksporite refractive "nα = 1.644, nγ = 1.660".
- Zabuyelite refractive "nα = 1.4285, nβ = 1.5672, nγ = 1.5743".
- Zairite refractive "nω = 1.820 - 1.830 nε = 1.810".
- Zanazziite refractive "nα = 1.606 nβ = 1.610 nγ = 1.620".
- Zektzerite refractive "nα = 1.582 nβ = 1.584 nγ = 1.584".
- Zemannite refractive "nω = 1.85; nε = 1.93".
- Zeunerite refractive "nω = 1.610 - 1.613 nε = 1.582 - 1.585".
- Ziesite refractive "2.055".