Borate sulfides are chemical mixed anion compounds that contain any kind of borate and sulfide ions. They are distinct from thioborates in which sulfur atoms replace oxygen in borates. There are also analogous borate selenides, with selenium ions instead of sulfur.
List namechemmwcrystal system space groupunit cellvolumedensitycommentsreferencesZn4B6O12SI3mNLO 1.9 × KDPcadmium sulfur boraciteCd3B7O13S2cubicF3cLa6Nb2MgSB8O26trigonalPa=8.2137 c =8.8601clearCe6Nb2MgSB8O26trigonalPa=8.1672 c=8.8093clearPr6Nb2MgSB8O26trigonalPa=8.1362 c=8.7716yellowish greenNd6Nb2MgSB8O26trigonalPa=8.1135 c=8.7469clearEBOSEu2B5O9S534.03orthorhombicPnn2a=11.2909 b=11.3742 c=6.4440 Z=4827.574.286blackEBOSIEu4.5(B5O9)2SI1238.88orthorhombicPnn2a=11.529 b=11.550 c=6.5070 Z=2866.54.748yellow-green band gap 1.98 eVEMSBOEu9MgS2B20O412328.27HexagonalP63/ma=8.2708 c=24.919 Z=21476.35.238brownEu6Ta2MgSB8O261832.51trigonalPa=8.0431 c=8.6486 Z=1484.536.280Sm3S3BO3606.04triclinicPa=4.0173 b=7.647 c=11.241 α=91.339 β=91.275 γ=90.349 Z=2345.145.832green; band gap 2.5 eVGd3S3BO3626.74triclinicPa=3.9725 b=7.5945 c=11.182 α=91.402 β=91.093 γ=90.206 Z=2337.306.173pale yellow; band gap 2.65 eV
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