Section 1: Crystalline Materials 17 Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Lanthanum germanium beryllate La 2 GeBe 2 O 7 Tetragonal (P42 1 m) Lanthanum indate LaInO 3 Orthorhombic (Pbnm) Lanthanum lutetium gallium garnet (LLGG) La 3 Lu 2 Ga 3 O 12 Cubic (Ia3d) Lanthanum magnesium borate LaMgB 5 O 10 Monoclinic (P2 1 /c) Lanthanum magnesium hexa-aluminate (LMA) LaMgAl 11 O 19 Hexagonal (P6 3 /mmc) Lanthanum metaborate LaB 3 O 6 Monoclinic (I2/a) Lanthanum molbydate La 2 (MoO 4 ) 3 Monoclinic (C2/c) Lanthanum molybdate La 2 (MoO 4 ) 3 Tetragonal (I−42m) Lanthanum niobate LaNbO 4 Monoclinic (I2/a) Lanthanum niobate LaNb 5 O 14 Orthorhombic (Pnam) Lanthanum niobate La 3 NbO 7 Othorhombic (Cmcm) Lanthanum niobogallate La 3 Nb 0.5 Ga 5.5 O 14 Trigonal (P32 1 ) Lanthanum oxide La 2 O 3 Trigonal (P−3m1) Lanthanum oxybromide LaOBr Tetragonal (P4/nmm) Lanthanum oxymolybdate La 2 MoO 6 Tetragonal (I−42m) Lanthanum oxysulfate La 2 O 2 SO 4 Orthorhombic Lanthanum oxysulfide La 2 O 2 S Trigonal (P−3m) Lanthanum oxytungstate La 2 WO 6 Hexagonal (P6 3 /mmc) Lanthanum pentaphosphate LaP 5 O 14 Orthorhombic (Pcmn) Lanthanum phosphate (monazite) LaPO 4 Monoclinic (P2 1 /n) Lanthanum scandate LaScO 3 Orthorhombic (Pbnm) Lanthanum scandium borate LaSc 3 (BO 3 ) 4 Monoclinic Lanthanum silicate La 2 SiO 5 Monoclinic Lanthanum strontium borate La 2 Sr 3 (BO 3 ) 4 Orthorhombic (P2 1 cn) Lanthanum strontium gallate LaSrGa 3 O 7 Tetragonal (P42 1 m) Lanthanum tantalate La 3 TaO 7 Orthorhombic (Cmcm) Lanthanum tantalogallate La 3 Ta 0.5 Ga 5.5 O 14 Trigonal (P32 1 ) Lanthanum titanate La 2 TiO 5 Orthorhombic (Pnam) Lanthanum titanate La 2 Ti 2 O 7 Monoclinic (P2 1 /c) Lanthanum tungstate La 2 (WO 4 ) 3 Monoclinic (C2/c) Lanthanum yttrium tungstate LaY(WO 4 ) 3 Monoclinic (C2/c) Lathanium vanadate LaVO 4 Monoclinic (P2 1 /c) Lead antimonade Pb 2 Sb 2 O 7 Cubic (Fd3m) Lead bismuth niobate PbBi 2 Nb 2 O 9 Othorhombic (Fmm2) Lead bromide PbBr 2 Othorhombic (Pnma) Lead cadmium niobate Pb 3 CdNb 2 O 9 Orthorhombic Lead calcium chloroarsenate (hedyphane) Pb 3 Ca 2 (AsO 4 ) 3 Cl Hexagonal (P6 3 /m) Lead carbonate (cerussite) PbCO 3 Orthorhombic (Pnam) Lead chloride (cotunnite) PbCl 2 Orthorhombic (Pnam) Lead chloroarsenate (mimetite) Pb 5 (AsO 4 ) 3 Cl Hexagonal (P6 3 /m) Lead chlorophosphate (pyromorphite) Pb 5 (PO 4 ) 3 Cl Hexagonal (P6 3 /m) Lead chlorovanadate (vanadinite) Pb 5 (VO 4 ) 3 Cl Hexagonal (P6 3 /m) Lead fluoride PbF 2 Cubic (Fm3m) © 2003 by CRC Press LLC 18 Handbook of Optical Materials Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Lead fluoroarsenate Pb 5 (AsO 4 ) 3 F Hexagonal (P6 3 /m) Lead fluorophosphate Pb 5 (PO 4 ) 3 F Hexagonal (P6 3 /m) Lead fluorovanadate Pb 5 (VO 4 ) 3 F Hexagonal (P6 3 /m) Lead germanate PbGeO 3 Monoclinic (P2 1 /a) Lead germanate Pb 3 GeO 5 Monoclinic (P12) Lead germanate Pb 3 Ge 3 O 11 Trigonal (P3) Lead germanate Pb 5 Ge 2 O 7 Hexagonal Lead hafnate PbHfO 3 Orthorhombic (Pbam) Lead hexa-aluminate (magnetoplumbite) PbAl 12 O 19 Hexagonal (P6 3 /mmc) Lead indium niobate Pb 2 InNbO 6 Rhombohedral Lead iodide 2H-PbI 2 Trigonal (P3m1) Lead magnesium niobate Pb 3 MgNb 2 O 9 Orthorhombic Lead molybdate (wulfenite) PbMoO 4 Tetragonal (I4 1 /a) Lead niobate (changbaiite) PbNb 2 O 6 Orthorhombic (Cm2m) Lead nitrate Pb(NO 3 ) 2 Cubic (Pa3) Lead oxide (litharge) PbO Tetragonal (P4/nmm) Lead oxide (massicot) PbO Orthorhombic (Pbcm) Lead phosphate Pb 3 (PO 4 ) 2 Monoclinic (PC2/c) Lead potassium niobate Pb 2 KNb 5 O 15 Orthorhombic (Im2m) Lead scandium niobate Pb 2 ScNbO 6 Rhombohedral Lead selenate (kerstenite) PbSeO 4 Orthorhombic (Pnma) Lead selenide (clausthalite) PbSe Cubic (Fm3m) Lead selenite (molybdomenite) PbSeO 3 Monoclinic Lead silicate (alamosite) PbSiO 3 Monoclinic (Pn) Lead sodium niobate PbNaNb 5 O 15 Orthorhombic (Im2a) Lead sulfate (anglesite) PbSO 4 Orthorhombic (Pnma) Lead sulfide (galena) PbS Cubic (Fm3m) Lead tantalate PbTa 2 O 6 Orthorhombic (Cm2m) Lead telluride (altaite) PbTe Cubic (Fm3m) Lead titanate (macedonite) PbTiO 3 Tetragonal (P4mm) Lead titanium phosphate PbTiP 2 O 8 Orthorhombic Lead tungstate (stolzite) PbWO 4 Tetragonal (I4 1 /a) Lead vanadate Pb 3 (VO 4 ) 2 Monoclinic (P2/c) Lead vanadate (chervetite) Pb 2 V 2 O 7 Monoclinic (P21/a) Lead zi nc niobate Pb3ZnNb2O 9 Orthorhombic Lead zinc silic a te Pb2ZnSi2O7 Tetragonal (P421m) Lead zinc silicate (larsenite) PbZnSiO4 Orthorhombic (Pnam) Lithium aluminate Li5AlO4 Orthorhombic (Pbca) Lithium aluminate γ-LiAlO 2 Tetragonal (P4 1 2 1 2) Lithium aluminate spinel LiAl 5 O 8 Cubic (P4 1 32) Lithium aluminum borate Li 6 Al 2 (BO 3 ) 4 Triclinic(P−1) Lithium aluminum fluorophosphate (amblygonite) LiAl(PO 4 )F Triclinic(P−1) Lithium aluminum germanate LiAlGe 2 O 6 Monoclinic (P21/n) © 2003 by CRC Press LLC Section 1: Crystalline Materials 19 Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Lithium aluminum germanate LiAlGeO 4 Trigonal(R−3) Lithium aluminum molybdate LiAl(MoO 4 ) 2 Triclinic(P−1) Lithium aluminum silicate LiAlSi 2 O 6 Monoclinic (C2/c) Lithium aluminum silicate LiAlSi 4 O 10 Monoclinic (P2 1 /n) Lithium aluminum silicate (eucryptite) LiAlSiO 4 Rhombohedral(R−3) Lithium aluminum silicate (petalite) LiAlSi 4 O 10 Monoclinic (P2 1 /n) Lithium aluminum silicate (spodumene) LiAlSi 2 O 6 Rhombohedral(R−3) Lithium barium aluminum fluoride (LiBAF) LiBaAlF 6 Monoclinic (P2 1 /a) Lithium barium fluoride LiBaF 3 Cubic (Pm3m) Lithium barium gallium fluoride LiBaGaF 6 Monoclinic (P2 1 /a) Lithium beryllium fluoride Li 2 BeF 4 Cubic (Fd3m) Lithium beryllium silicate (liberite) Li 2 BeSiO 4 Monoclinic (Pn) Lithium borate LiBO 2 Monoclinic (P2 1 /c) Lithium borate LiB 3 O 5 Orthorhombic (Pna2 1 ) Lithium bromide LiBr Cubic (Fm3m) Lithium cadmium borate LiCdBO 3 Hexagonal (P –6) Lithium cadmium chloride Li 2 CdCl 4 Cubic (Fd3m) Lithium cadmium indium fluoride LiCdInF 6 Trigonal (P321) Lithium calcium aluminum fluoride (LiCAF) LiCaAlF 6 Trigonal(P−31c) Lithium calcium gallium fluoride (LiCGaF) LiCaGaF 6 Trigonal(P−31c) Lithium calcium germanate Li 2 CaGeO 4 Tetragonal (I−42m) Lithium calcium indium fluoride LiCaInF 6 Trigonal (P321) Lithium calcium silicate Li 2 CaSiO 4 Tetragonal (I−42m) Lithium carbonate (zabuyelite) Li 2 CO 3 Monoclinic (C2/c) Lithium chloride LiCl Cubic (Fm3m) Lithium fluoride (griceite) LiF Cubic (Fm3m) Lithium gadolinium borate Li 3 Gd 2 (BO 3 ) 3 Monoclinic (P2 1 /n) Lithium gadolinium borate Li 6 Gd(BO 3 ) 3 Monoclinic (P2 1 /b) Lithium gadolinium molybdate LiGd(MoO 4 ) 2 Tetragonal (I4 1 /a) Lithium gadolinium molybdate LiGd(MoO 4 ) 2 Tetragonal (I4 1 /a) Lithium gadolinium oxide LiGdO 2 Orthorhombic (Pnma) Lithium gadolinium tetrafluoride (GLF) LiGdF 4 Tetragonal (I4 1 /a) Lithium gadolinium tetraphosphate LiGdP 4 O 12 Monoclinic (I2/c) Lithium gadolinium tungstate LiGd(WO 4 ) 2 Tetragonal (I4 1 /a) Lithium gallate LiGaO 2 Orthorhombic (Pna2 1 ) Lithium gallate Li 5 GaO 4 Orthorhombic (Pnam) Lithium gallate spinel LiGa 5 O 8 Cubic (P4 1 32) Lithium gallium germanate LiGaGe 2 O 6 Monoclinic (P2 1 /c) Lithium gallium germanate LiGaGe 2 O 6 Monoclinic (P2 1 /c) Lithium gallium germanate LiGaGeO 4 Trigonal(R−3) Lithium gallium silicate LiGaSi 2 O 6 Monoclinic (C2/c) Lithium gallium silicate LiGaSiO 4 Rhombohedral(R−3) Lithium gallium tungstate LiGa(WO 4 ) 2 Monoclinic (P2/c) © 2003 by CRC Press LLC 20 Handbook of Optical Materials Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Lithium germanate Li 2 GeO 3 Orthorhombic (Cmc2 1 ) Lithium indium germanate LiInGe 2 O 6 Orhtorhimbic (Pbca) Lithium indium molybdate LiIn(MoO 4 ) 2 Monoclinic (P2 1 /c) Lithium indium oxide Li 3 InO 3 Trigonal (P−3c1) Lithium indium oxide LiInO 2 Tetragonal(I4 1 /amd) Lithium indium silicate LiInSiO 4 Orthorhombic (Pnma) Lithium indium silicate LiInSi 2 O 6 Monoclinic (C2/c) Lithium indium tungstate LiIn(WO 4 ) 2 Monoclinic (P2/c) Lithium iodate α-LiIO 3 Hexagonal (P6 3 ) Lithium iodide LiI Cubic (Fm3m) Lithium lanthanum borate Li 3 La 2 (BO 3 ) 3 Monoclinic (P2 1 /n) Lithium lanthanum molybdate LiLa(MoO 4 ) 2 Orthorhombic (Pbca) Lithium lanthanum oxide LiLaO 2 Orthorhombic (Pbmm) Lithium lanthanum tetraphosphate LiLaP 4 O 12 Monoclinic (I2/c) Lithium lanthanum tungstate LiLa(WO 4 ) 2 Tetragonal (I4 1 /a) Lithium lutetium borate Li 6 Lu(BO 3 ) 3 Monoclinic (P2 1 /b) Lithium lutetium fluoride LiLuF 4 Tetragonal (I4 1 /a) Lithium lutetium germanate LiLuGeO 4 Orthorhombic (Pbcn) Lithium lutetium oxide LiLuO 2 Tetragonal (I4 1 /amd) Lithium lutetium silicate LiLuSiO 4 Orthorhombic (Pbcn) Lithium lutetium tetraphosphate LiLuP 4 O 12 Monoclinic (I2/c) Lithium lutetium tungstate LiLu(WO 4 ) 2 Monoclinic (P2/c) Lithium magnesium aluminum fluoride LiMgAlF 6 Trigonal (P321) Lithium magnesium borate LiMgBO 3 Monoclinic (C2/c) Lithium magnesium borate Li 2 MgB 2 O 5 Monoclinic Lithium magnesium chloride Li 2 MgCl 4 Cubic (Fd3m) Lithium magnesium gallium fluoride LiMgGaF 6 Tetragonal (P4 2 /mmm) Lithium magnesium germanate Li 2 MgGeO 4 Orthorhombic (Pmn2 1 ) Lithium magnesium indium fluoride LiMgInF 6 Trigonal (P321) Lithium niobate LiNbO 3 Trigonal (R3c) Lithium phosphate (lithiophosphate) Li 3 PO 4 Orthorhombic Lithium scandate LiScO 2 Tetragonal(I4 1 /amd) Lithium scandium germanate LiScGeO 4 Orthorhombic (Pbnm) Lithium scandium germanate LiScGe 2 O 6 Orthorhombic (Pbca) Lithium scandium silicate LiScSiO 4 Orthorhombic (Pbnm) Lithium scandium silicate LiScSi 2 O 6 Monoclinic (C2/c) Lithium scandium tungstate LiSc(WO 4 ) 2 Monoclinic (P2/c) Lithium silicate Li 2 SiO 3 Orthorhombic (Ccm2 1 ) Lithium strontium aluminum fluoride (LiSAF) LiSrAlF 6 Trigonal(P−31c) Lithium strontium gallium fluoride (LiSGF) LiSrGaF 6 Trigonal(P−31c) Lithium tantalate (LT) LiTaO 3 Trigonal (R3c) Lithium tetraborate (diomignite) Li 2 B 4 O 7 Tetragonal (I4 1 cd) Lithium triborate (LBO) LiB 3 O 5 Orthorhombic (Pn2 1 a) © 2003 by CRC Press LLC Section 1: Crystalline Materials 21 Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Lithium vanadate LiVO 3 Monoclinic (C2/c) Lithium vanadate Li 3 VO 4 Orthorhombic (Pmn2 1 ) Lithium yttrium borate Li 3 Y 2 (BO 3 ) 3 Monoclinic (P2 1 /n) Lithium yttrium borate Li 6 Y(BO 3 ) 3 Monoclinic (P2 1 /b) Lithium yttrium fluoride (YLF) LiYF 4 Tetragonal (I4 1 /a) Lithium yttrium germanate LiYGeO 4 Orthorhombic (Pbcn) Lithium yttrium oxide LiYO 2 Monoclinic (P2 1 /c) Lithium yttrium silicate LiYSiO 4 Orthorhombic (Pbcn) Lithium yttrium tungstate LiY(WO 4 ) 2 Monoclinic (P2/c) Lithium zinc borate LiZnBO 3 Monoclinic (C2/c) Lithium zinc indium fluoride LiZnInF 6 Trigonal (P321) Lithium zinc niobate LiZnNbO 4 Tetragonal (P4 1 22) Lutetium aluminum borate LuAl 3 (BO 3 ) 3 Trigonal (R32) Lutetium aluminum garnet Lu 3 Al 5 O 12 Cubic (Ia3d) Lutetium borate LuBO 3 Rhombohedral (R−3c) Lutetium calcium borate LuCaBO 4 Orthorhombic (Pnam) Lutetium gallium garnet Lu 3 Ga 5 O 12 Cubic (Ia3d) Lutetium molybdate Lu 2 (MoO 4 ) 3 Orthorhombic (Pbcn) Lutetium orthosilicate Lu 2 SiO 5 Monoclinic (C2/c) Lutetium oxide Lu 2 O 3 Cubic (Ia3) Lutetium oxymolybdate Lu 2 MO 6 Monoclinic (I2/c) Lutetium oxysulfate Lu 2 O 2 SO 4 Orthorhombic Lutetium oxytungstate Lu 2 WO 6 Monoclinic (P2/c) Lutetium pentaphosphate LuP 5 O 14 Monoclinic (C2/c) Lutetium phosphate LuPO 4 Tetragonal (I4 1 /amd) Lutetium scandate LuScO 3 Cubic (Ia3) Lutetium scandium aluminum garnet (LSAG) Lu 3 Sc 2 Al 3 O 12 Cubic (Ia3d) Lutetium tantalate LuTaO 4 Monoclinic (P2/a) Lutetium titanate Lu 2 Ti 2 O 3 Cubic (Fd3m) Lutetium tungstate Lu 2 (WO 4 ) 3 Orthorhombic (Pcna) Lutetium vanadate LuVO 4 Tetragonal (I4 1 /amd) Magnesium aluminate (spinel) MgAl 2 O 4 Cubic (Fd3m) Magnesium aluminum borate (sinhalite) MgAlBO 4 Orthorhombic (Pnma) Magnesium aluminum borosilicate (grandidierite) MgAl 3 BSiO 9 Orthorhombic Magnesium aluminum silicate (cordierite) Mg 2 Al 3 (Si 5 Al)O 18 Hexagonal (P6/mcc) Magnesium aluminum silicate (sapphirine) Mg 4 Al 8 Si 2 O 20 Monoclinic (P2 1 /a) Magnesium aluminum silicate garnet (pyrope) Mg 3 Al 2 Si 3 O 12 Cubic (Ia3d) Magnesium borate (kotoite) Mg 3 B 2 O 6 Orthorhombic (Pnma) Magnesium borate (suanite) Mg 2 B 2 O 5 Monoclinic Magnesium carbonate (magnesite) MgCO 3 Rhombohedral (R−3c) Magnesium chloroborate (boracite) Mg 3 B 7 O 13 Cl Orthorhombic Magnesium fluoride (sellaite, Irtran 1) MgF 2 Tetragonal (P4 2 /mnm) Magnesium fluoroborate Mg 2 BO 3 F Orthorhombic © 2003 by CRC Press LLC 22 Handbook of Optical Materials Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Magnesium fluoroborate Mg 5 (BO 3 ) 3 F Orthorhombic (P*nb) Magnesium fluorophosphate (wagnerite) Mg 2 PO 4 F Monoclinic (P21/a) Magnesium gallate spinel MgGa 2 O 4 Cubic (Fd3m) Magnesium gallium borate MgGaBO 4 Orthorhombic (Pnam) Magnesium gallium germanate Mg 4 Ga 8 Ge 2 O 20 Monoclinic (P2 1 /a) Magnesium germanate MgGeO 3 Orthorhombic (Pbca) Magnesium germanate Mg 2 GeO 4 Orthorhombic (Pnma) Magnesium molybdate MgMoO 4 Monoclinic (C2/m) Magnesium oxide (periclase, Irtran 5) MgO Cubic (Fm3m) Magnesium phosphate (farringtonite) Mg 3 (PO 4 ) 2 Monoclinic Magnesium pyroarsenate Mg 2 As 2 O 7 Monoclinic (C2/m) Magnesium silicate (enstatite) MgSiO 3 Monoclinic (P2 1 /c) Magnesium silicate (forsterite) Mg 2 SiO 4 Orthorhombic (Pbcn) Magnesium titanate MgTi 2 O 5 Orthorhombic (Bbmm) Magnesium titanate Mg 2 TiO 4 Cubic (Fd3m) Magnesium titanate (geikielite) MgTiO 3 Trigonal(R−3) Magnesium titanium sulfate MgTi(SO 4 ) 2 Monoclinic (P2 1 /n) Magnesium titanum borate (warwickite) Mg 3 TiB 2 O 8 Orthorhombic Magnesium tungstate MgWO 4 Monoclinic (P2/c) Magnesium vanadate MgV 2 O 6 Orthorhombic (Pbcn) Magnesium vanadate MgVO 3 Monoclinic (Cmc2 1 ) Magnesium vanadate Mg 2 V 2 O 7 Monoclinic (C2/m) Magnesium vanadate Mg 3 (VO 4 ) 2 Orthorhombic (Cmca) Manganese fluoride MnF 2 Tetragonal (P4 2 /mnm) Manganese oxide (manganosite) MnO Cubic (Fm3m) Mercurous bromide (kuzminite) Hg 2 Br 2 Tetragonal (I4/mmm) Mercurous chloride (calomel) Hg 2 Cl 2 Tetragonal (I4/mmm) Mercurous iodide (moschelite) Hg 2 I 2 Tetragonal (I4/mmm) Mercury antimonade Hg 2 Sb 2 O 7 Cubic (Fd3m) Mercury chloride HgCl 2 Orthorhombic (Pmnb) Mercury iodide HgI 2 Tetragonal (P4 2 /mmc) Mercury oxide HgO Orthorhombic (Pmna) Mercury peroxide Hg 2 O 2 Monoclinic (C2/m) Mercury selenide (tiemannite) HgSe Cubic (F43m) Mercury sulfide (cinnabar) HgS Trigonal (R32) Mercury tellurite (coloradoite) HgTe Cubic (F43m) Neodymium calcium aluminum oxide NdCaAlO 4 Tetragonal (I4/mmm) Neodymium gallate NbGaO 3 Orthorhombic (Pbnm) Neodymium yttrium aluminum borate Nd x Y 1-x Al 3 (BO 3 ) 4 Trigonal (R32) Niobium phosphate NbOPO 4 Tetragonal (P4/n) Potassium aluminum borate K 2 A 2 lB 2 O 7 Trigonal (P321) Potassium aluminum fluoride K 3 AlF 6 Cubic (Pm3m) Potassium aluminum germanate KAlGeO 4 Hexagonal (P6 3 ) © 2003 by CRC Press LLC Section 1: Crystalline Materials 23 Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Potassium aluminum molybdate KAl(MoO 4 ) 2 Trigonal (P−3m1) Potassium aluminum silicate (kaliophilite) KAlSiO 4 Hexagonal (P6 3 ) Potassium aluminum silicate (leucite) KAlSi 2 O 6 Tetragonal (I4 1 /a) Potassium aluminum silicate (orthoclase) KAlSi 3 O 8 Monoclinic (C2/m) Potassium aluminum silicate hydroxide (mica) KAl 3 Si 3 O 10 •(OH) 2 Monoclinic Potassium aluminum sulfate KAl(SO 4 ) 2 Trigonal (P321) Potassium aluminum tetrafluoride KAlF 4 Tetragonal (P4/mbm) Potassium beryllium fluoride K 2 BeF 4 Orthorhombic (Pna2 1 ) Potassium beryllium fluoroborate (KBBF) KBe 2 BO 3 F 2 Trigonal (R32) Potassium bismuth niobate KBiNb 5 O 15 Tetragonal Potassium boron fluoride (avogadvite) KBF 4 Orthorhombic (Cmcm) Potassium bromide KBr Cubic (Fm3m) Potassium cadmium fluoride KCdF 3 Cubic (Pm3m) Potassium calcium fluoride KCaF 3 Cubic (Pm3M) Potassium calcium silicate K 2 CaSiO 4 Orthorhombic (Pnmm) Potassium calcium zirconium silicate (wadeite) K 2 CaZr(SiO 3 ) 4 Hexagonal (P6 3 m) Potassium chloride (sylvite) KCl Cubic (Fm3m) Potassium dideuterium phosphate (KDP) KD 2 PO 4 Hexagonal (P6 3 ) Potassium dihydrogen phosphate (KDP) KH 2 PO 4 Tetragonal (I−42m) Potassium fluoride (carobbiite) KF Cubic (Fm3m) Potassium gadolinium niobate K 2 GdNb 5 O 15 Tetragonal Potassium gadolinium tungstate KGd(WO 4 ) 2 Monoclinic (C2/c) Potassium gadolinium vanadate K 3 Gd(VO 4 ) 2 Monoclinic (P2 1 /m) Potassium gallium germanate KGaGeO 4 Hexagonal (P6 3 ) Potassium gallium silicate KGaSi 3 O 8 Monoclinic (C2/m) Potassium gallium silicate KGaSiO 4 Hexagonal (P6 3 ) Potassium indium molybdate KIn(MoO 4 ) 2 Orthorhombic (Pnam) Potassium indium tungstate KIn(WO 4 ) 2 Trigonal (P−3m1) Potassium iodide KI Cubic (Fm3m) Potassium iodide KIO 3 Monoclinic (P1) Potassium lanthanum molybdate KLa(MoO 4 ) 4 Tetragonal (I4 1 /a) Potassium lanthanum niobate K 2 LaNb 5 O 15 Tetragonal Potassium lanthanum phosphate K 3 La(PO 4 ) 2 Monoclinic (P2 1 /m) Potassium lanthanum tetraphosphate KLaP 4 O 12 Monoclinic (P2 1 ) Potassium lanthanum tungstate KLa(WO 4 ) 2 Monoclinic (C2/m) Potassium lead chloride KPb 2 Cl 5 Monoclinic (P2 1 /c) Potassium lithium beryllium fluoride KLiBeF 4 Hexagonal (P−3m1) Potassium lithium gadolinium fluoride (KLGF) KLiGdF 5 Monoclinic (P2 1 /c) Potassium lithium niobate (KLN) K 3 Li 2 Nb 5 O 15 Tetragonal (P4bm) Potassium lithium yttrium fluoride (KLYF) KLiYF 5 Monoclinic (P21/c) Potassium lutetium tungstate KLu(WO 4 ) 4 Monoclinic (C2/c) © 2003 by CRC Press LLC 24 Handbook of Optical Materials Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Potassium lutetium vanadate K 3 Lu(VO 4 ) 4 Monoclinic (P21/m) Potassium magnesium chloride K 2 MgCl 4 Tetragonal (I4/mmm) Potassium magnesium fluoride K 2 MgF 4 Tetragonal (I4/mmm) Potassium magnesium fluoride KMgF 3 Cubic (Pm3m) Potassium magnesium sulfate (langbeinite) K 2 Mg 2 (SO 4 ) 3 Cubic (P2 1 3) Potassium niobate (KN) KNbO 3 Orthorhombic (Amm2) Potassium niobium borate KNbB 2 O 6 Orthorhombic (Pn2 1 m) Potassium nitrate (nitre) KNO 3 Orthorhombic (Pmcn) Potassium pentaborate KB 5 O 8 •4H 2 O Orthorhombic (Aba2) Potassium scandium molybdate KSc(MoO 4 ) 2 Tetragonal (P–3m1) Potassium scandium tungstate KSc(WO 4 ) 2 Trigonal (P–3m1) Potassium scandium vanadate KSc(VO 4 ) 2 Trigonal Potassium sodium aluminum fluoride (elpasolite) K 2 NaAlF 6 Cubic (Fm3m) Potassium sodium gallium fluoride K 2 NaGaF 6 Cubic (Fm3m) Potassium sodium lithium niobate KNaLi 2 Nb 5 O 15 Trigonal Potassium sodium lithum niobate K 2 NaLi 2 Nb 5 O 15 Tetragonal (P4bm) Potassium strontium sulfate (kalistrontite) K 2 Sr(SO 4 ) 2 Trigonal Potassium tantalate KTaO 3 Cubic (Pm–3m) Potassium tantalum borate KTaB 2 O 6 Orthorhombic (Pmm) Potassium tin germanate K 2 SnGe 3 O 9 Trigonal (P–3c1) Potassium tin silicate K 2 SnSi 3 O 9 Hexagonal (P6 3 /m) Potassium titanium germanate K 2 TiGe 3 O 9 Trigonal (P–3c1) Potassium titanium niobate KTiNbO 5 Orthorhombic (Pnma) Potassium titanium niobate KTi 3 NbO 9 Orthorhombic (Pnmm) Potassium titanoarsenate (KTA) KTiOAsO 4 Orthorhombic (P2 1 nb) Potassium titanophosphate (KTP) KTiOPO 4 Orthorhombic (P2 1 nb) Potassium titanum silicate K 2 TiSi 3 O 9 Hexagonal (P6 3 /m) Potassium vanadate KVO 3 Orthorhombic (Pmab) Potassium yttrium fluoride KY 3 F 10 Cubic (Fm3m) Potassium yttrium molybdate KY(MoO 4 ) 2 Orthorhombic (Pbna) Potassium yttrium niobate K 2 YNb 5 O 15 Tetragonal Potassium yttrium tetrafluoride (KYF) KYF 4 Trigonal (P3 1 ) Potassium yttrium tungstate KY(WO 4 ) 2 Monoclinic (C2/c) Potassium yttrium vanadate K 3 Y(VO 4 ) 2 Monoclinic Potassium zinc fluoride K 2 ZnF 4 Tetragonal (I4/mmm) Potassium zinc fluoride KZnF 3 Tetragonal Rubidium aluminum selenate RbAl(SeO 4 ) 2 Trigonal (P321) Rubidium aluminum silicate RbAlSiO 4 Orthorhombic (Pcmn) Rubidium aluminum silicate RbAlSi 2 O 6 Tetragonal (I4 1 /a) Rubidium aluminum sulfate RbAl(SO 4 ) 2 Trigonal (P321) Rubidium aluminum tetrafluoride RbAlF 4 Tetragonal (P4/mmm) Rubidium beryllium fluoride Rb 2 BeF 4 Orthorhombic (Pna2 1 ) Rubidium bismuth molybdate RbBi(MoO 4 ) 2 Monoclinic (P2 1 /c) © 2003 by CRC Press LLC Section 1: Crystalline Materials 25 Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Rubidium bromide RbBr Cubic (Fm3m) Rubidium cadmium fluoride RbCdF 3 Cubic (Pm3m) Rubidium calcium fluoride RbCaF 3 Cubic (Pm3m) Rubidium chloride RbCl Cubic (Fm3m) Rubidium dihydrogen arsenate (RDA) RbH 2 AsO 4 Tetragonal (I4 1 /a) Rubidium dihydrogen phosphate (RDP) RbH 2 PO 4 Tetragonal ((I–42m) Rubidium fluoride RbF Cubic (Fm3m) Rubidium gadolinium bromide RbGd 2 Br 7 Orthorhombic (Pnma) Rubidium gadolinium vanadate Rb 3 Gd(VO 4 ) 2 Trigonal Rubidium gadolinium vanadate RbGd(VO 4 ) 2 Tetragonal (P4/mmm) Rubidium gallium selenate RbGa(SeO 4 ) 2 Trigonal (P321) Rubidium gallium sulfate RbGa(SO 4 ) 2 Trigonal (P321) Rubidium indium molybdate RbIn(MoO 4 ) 2 Trigonal (P321) Rubidium indium tungstate RbIn(WO 4 ) 2 Trigonal (P321) Rubidium iodide RbI Cubic (Fm3m) Rubidium lanthanum niobate Rb 2 LaNb 5 O 15 Tetragonal Rubidium lanthanum tungstate RbLa(WO 4 ) 2 Monoclinic (C2/c) Rubidium lithium aluminum fluoride Rb 2 LiAlF 6 Rhombohedral (R–3m) Rubidium lithium gallium fluoride Rb 2 LiGaF 6 Rhombohedral (R–3m) Rubidium lutetium vanadate Rb 3 Lu(VO 4 ) 2 Trigonal Rubidium lutetium vanadate RbLu(VO 4 ) 2 Trigonal Rubidium magnesium chloride Rb 2 MgCl 4 Tetragonal (I4/mmm) Rubidium magnesium fluoride Rb 2 MgF 4 Tetragonal (I4/mmm) Rubidium niobium borate RbNbB 2 O 6 Orthorhombic (Pn2 1 m) Rubidium pentaborate RbB 5 O 8 •4H 2 O Orthorhombic (Aba2) Rubidium potassium gallium fluoride Rb 2 KGaF 6 Cubic (Fm3m) Rubidium scandium molybdate RbSc(MoO 4 ) 2 Trigonal (P–3m1) Rubidium scandium tungstate RbSc(WO 4 ) 2 Trigonal (P–3m1) Rubidium scandium vanadate Rb 3 Sc(VO 4 ) 2 Trigonal Rubidium scandium vanadate RbSc(VO 4 ) 2 Trigonal Rubidium sodium beryllium fluoride Rb 3 NaBeF 8 Hexagonal (P6 3 ) Rubidium sodium indium fluoride Rb 2 NaInF 6 Cubic (Fm3m) Rubidium tantalum borate RbTaB 2 O 6 Orthorhombic (Pn2 1 m) Rubidium tin germanate Rb 2 SnGe 3 O 9 Trigonal (P–3c1) Rubidium tin silicate Rb 2 SnSi 3 O 9 Hexagonal (P6 3 /m) Rubidium titanium germanate Rb 2 TiGe 3 O 9 Trigonal (P–3c1) Rubidium titanium silicate Rb 2 TiSi 3 O 9 Hexagonal (P6 3 /m) Rubidium titano arsenate (RTA) RbTiOAsO 4 Orthorhombic (P2 1 nb) Rubidium titano phosphate (RTP) RbTiOPO 4 Orthorhombic (P2 1 nb) Rubidium yttrium vanadate Rb 3 Y(VO 4 ) 2 Trigonal Rubidium yttrium vanadate RbY(VO 4 ) 2 Trigonal Rubidium zinc bromide Rb 2 ZnBr 4 Orthorhombic (Pnma) Rubidium zinc chloride Rb 2 ZnCl 4 Orthorhombic (Pnma) © 2003 by CRC Press LLC 26 Handbook of Optical Materials Name, Formula, Crystal System, and Space Group for Optical Crystals—continued Name Formula Crystal system (Space group) Rubidium zinc fluoride Rb 2 ZnF 4 Tetragonal (I4/mmm) Rubidium zinc fluoride RbZnF 3 Cubic (Pm3m) Scandium aluminum beryllate (SCAB) ScAlBeO 4 Orthorhombic (Pmcn) Scandium borate ScBO 3 Rhombohedral (R–31) Scandium calcium borate ScCaBO 4 Orthorhombic (Pnam) Scandium gallate ScGaO 3 Monoclinic (A2/m) Scandium germanate Sc 2 GeO 5 Monoclinic (B2/b) Scandium magnesium borate ScMgBO 4 Orthorhombic (Pnam) Scandium metaphosphate Sc(PO 3 ) 3 Monoclinic (Cc) Scandium molybdate Sc 2 (MoO 4 ) 3 Orthorhombic (Pbcn) Scandium niobate ScNbO 4 Monoclinic (P2/c) Scandium orthosilicate Sc 2 SiO 5 Monoclinic (I2/a) Scandium oxide Sc 2 O 3 Cubic (I213) Scandium phosphate ScPO 4 Tetragonal (I4 1 /amd) Scandium silicate Sc 2 Si 2 O 7 Monoclinic (C2/m) Scandium tantalate ScTaO 4 Monoclinic (P2/c) Scandium titanate Sc 2 TiO 5 Orthorhombic (Bbmm) Scandium tungstate Sc 2 (WO 4 ) 3 Orthorhombic (Pcna) Scandium vanadate ScVO 4 Tetragonal (I4 1 /amd) Scandium yttrium silicate (thortveitite) (Sc,Y) 2 Si 2 O 7 Monoclinic (C2/m) Selenium Se Trigonal (32) Selenium dioxide (downeyite) SeO 2 Tetragonal (P4 2 /nbc) Silicon Si Cubic (F–43m) Silicon carbide (carborundum, moissanite) α-SiC (2H) Hexagonal (P6 3 /m) Silicon carbide β-SiC (3C) Cubic (Fd3m) Silicon dioxide (α-quartz) SiO 2 Trigonal (P3 1 2) Silicon nitride Si 3 N 4 Hexagonal (P6 3 /m) Silver antimony sulfide (pyrargyrite) Ag 3 SbS 3 Trigonal (R3c) Silver arsenic selenide Ag 3 AsSe 3 Trigonal (R3c) Silver arsenic sulfide (proustite) Ag 3 AsS 3 Trigonal (R3c) Silver arsenic sulfide (trechmannite) AgAsS 2 Tetragonal (I–42d) Silver bromide (bromyrite) AgBr Cubic (Fm3m) Silver chloride (cerargyrite) AgCl Cubic (Fm3m) Silver gallium selenide AgGaSe 2 Tetragonal (I–42d) Silver gallium sulfide AgGaS 2 Tetragonal (I–42d) Silver iodide (iodargyrite) AgI Hexagonal (P6 3 mc) Silver mercury iodide Ag 2 HgI 4 Tetragonal (I –4) Sodium aluminum borate Na 2 Al 2 B 2 O 7 Tetragonal (I–42d) Sodium aluminum chlorosilicate (sodalite) Na 8 Al 6 Si 6 O 24 Cl 2 Cubic Sodium aluminum fluoride (chiolite) Na 5 Al 3 F 14 Tetragonal (P4/mnc) Sodium aluminum fluoride (cryolite) Na 3 AlF 6 Monoclinic (P2 1 /n) Sodium aluminum fluoroarsenate (durangite) NaAl(AsO 4 )F Monoclinic (C2/c) Sodium aluminum fluorophosphate (lacroixite) NaAl(PO 4 )F Monoclinic © 2003 by CRC Press LLC [...]... Properties of Isotropic Crystalline Materials continued Cubic material Ba3MgTa2O9 BaF2 BaF2-CaF2 Bi12GeO20 Bi12SiO20 Bi12TiO20 Bi4Ge3O 12 Bi4Si3O 12 BN BP C (diamond) Ca12Al14O33 Ca2LiMg2V3O 12 Ca2LiZn2V3O 12 Ca2NaMg2V3O 12 Ca2NaZn2V3O 12 Ca2Sb2O7 Ca3Al2Ge3O 12 Ca3Al2Si3O 12 Ca3Ga2Ge3O 12 Ca3Gd(PO4)3 Ca3In2Ge3O 12 Ca3La(PO4)3 Ca3Lu2Ge3O 12 Ca3Sc2Ge3O 12 Ca3Sc2Si3O 12 CaF2 CaLa2S4 CaO CaTiO3 CaY2Mg3Ge3O 12 Cd2Nb2O7 Cd2Sb2O7... Crystalline Materials continued Cubic material LiBr LiCl LiF LiGa5O8 LiI Lu2O3 Lu2Ti2O7 Lu3Al5O 12 Lu3Ga5O 12 Lu3Sc2Ga3O 12 LuScO3 Mg2TiO4 Mg3Al2Si3O 12 MgAl2O4 MgGa2O4 MgO MnO Na2BiMg2V3O 12 Na2BiZn2V3O 12 Na2CaSiO4 Na2GdMg2V3O 12 Na2LuMg2V3O 12 Na2YMg2V3O 12 Na3Li3Al2F 12 Na3Li3Ga2F 12 Na3Li3In2F 12 Na3Li3Sc2F 12 Na3Sc2V3O 12 Na8Al6Si6O24Cl2 NaBr NaCdMg2F7 NaCdZn2F7 NaCl NaF 5NaF -9YF3 NaI Pb(NO3 )2 Pb2Sb2O7 PbF2 PbS... 20 03 by CRC Press LLC Formula Crystal system (Space group) YInO3 Y3In2Ga3O 12 Y3Fe5O 12 LiYF4 Y2MgBe2Si2O10 Y2(MoO4)3 YNbO4 Y2SiO5 Y2 O3 YOCl Y2Mo2O7 Y2MoO6 Y2OS2 Y2WO6 YP5O14 YPO4 YScO3 Y3Sc2Al3O 12 Y3Sc2Ga3O 12 Y2Si2O7 Y2SiBe2O7 Y3TaO7 YTaO4 Y2Ti2O7 Y2Ti2SiO9 YTiTaO6 Y2(WO4)3 YVO4 Y2ZnBe2Si2O10 ZnAl2O4 ZnSb2O6 ZnAsO4 Zn3(AsO3 )2 Zn3(BO3 )2 ZnB4O7 Zn4B6O13 ZnCO3 ZnCl2 ZnF2 ZnGa2O4 Zn2GeO4 ZnGeAs2 ZnGeP2... © 20 03 by CRC Press LLC Formula Sr2Nb2O7 Sr5Nb4O15 SrNb2O6 Sr2KNb5O15 Sr2KTa5O15 SrSc2O4 Sr3Sc2Ge3O 12 SrSiO3 Sr2NaNb5O15 SrSO4 Sr2Ta2O7 SrSnB2O6 SrSnO3 Sr3Ti2O7 SrTiO3 SrTiB2O6 SrWO4 SrV2O6 β-Sr2V2O7 Sr3(VO4 )2 β-Sr2V2O7 SrVO3 Sr3Y (BO3)3 SrY2O4 SrY4(SiO4)3O SrZnF4 SrZnGe2O6 Sr2ZnGe2O7 Sr2ZnSi2O7 SrZrO3 SrZrB2O6 SrTa2O6 Sr2Ta2O7 Sr5Ta4O15 Sr6Ta2O11 TaBO4 Ta2O5 TaOPO4 Te TeO2 TlAl(SeO4 )2 TlAl(SO4 )2 TlAlF4... 6. 52 7. 02 5. 82 – 5.35 – 8 .26 6 – 5.66 4.8 5.78 – – – – 1 2 (Mohs) – 3.5 (Mohs) 21 2. 5 (Mohs) 2. 5 (Mohs) 721 – – 1114 6.5–7(Mohs) 7.5 (Mohs) 7.0 (Mohs) 800 – – – 330 430 22 5 K2Mg2(SO4)3 K2NaAlF6 K2NaGaF6 K3AlF6 KBr KCaF3 KCdF3 KCl KF KI KMgF3 KTaO3 KY3F10 La3Lu2Ga3O 12 Li2BeF4 Li2CdCl4 Li2MgCl4 LiAl5O8 LiBaF3 2. 83 2. 99 3.34 – 2. 75 2. 709 4 .26 4 1.984 2. 48 3. 12 3.15 7.015 4.3 12 – 2. 289 2. 956 2. 119 3. 625 5 .24 2... borate © 20 03 by CRC Press LLC Formula NaAlGeO4 NaAlSi3O8 NaAlSiO4 NaSbBe4O7 NaBaPO4 Na2BaTi2Si4O14 Na2BeF4 NaBe2BO3F2 NaBePO4 Na2BeSi2O6 Na2BeSiO4 Na2BiMg2V3O 12 Na2BiZn2V3O 12 NaBF4 NaBr NaCdMg2F7 NaCdPO4 NaCdZn2F7 Na2Ca4(PO4)3F Na2CaPO4F Na2CaMg(PO4 )2 NaCaPO4 Na2CaSiO4 Na2Ca2Si3O9 α-NaCaYF6 Na2CO3 NaCl NaF Na3Gd(AsO4 )2 NaGdGeO4 Na5GdGe4O 12 Na2GdMg2V3O 12 NaGd(MoO4 )2 NaGdO2 Na3Gd(PO4 )2 NaGdP2O7 NaGdSiO4... Sb2O3 Sc2O3 Si β-SiC β-SiC (CVD) Sr3Al2O6 Sr3Gd(PO4)3 Sr3In2Ge3O 12 Sr3La(PO4)3 Sr3Sc2Ge3O 12 Sr6Nb2O11 Sr6Ta2O11 SrF2 SrSnO3 SrTiO3 SrVO3 ThO2 Tl(Br,I) Tl(Cl,Br) Tl2O3 TlBr TlCl Y2 O3 Y2Ti2O7 Y3Al5O 12 Y3Ga5O 12 Y3In2Ga3O 12 Y3Sc2Al3O 12 Y3Sc2Ga3O 12 Zn4B6O13 ZnAl2O4 ZnGa2O4 β-ZnS β-ZnS (CVD) ZnSe ZnSiAs2 © 20 03 by CRC Press LLC Density 3 (g/cm ) 4.3 02 3.35 3.6 32 2.80 – 3.55 5.007 5.50 3.840 2. 33 3 .21 4 3 .21 ... Ca2Al2GeO7 Ca2Al2SiO7 Ca2Al3O6F Ca2B5O9Cl Ca2BeSi2O7 Ca2Ga2GeO7 Ca2Ga2SiO7 Ca2MgSi2O7 Ca2Te2O5 Ca2ZnSi2O7 Ca3B2O6 © 20 03 by CRC Press LLC Density 3 (g/cm ) 5.086 4.8 02 4.81 4. 728 4.766 5.115 4.075 4.080 3.85 4.31 – 4 .22 6 4.946 – 4.848 4.03 4 .21 1 6. 02 3.64 6.383 5. 12 4.706 3.85 3.893 2. 96 2. 66 2. 77 3.60 3.01 6 .20 6 .25 3. 421 3.04 2. 95 2. 639 – 4.14 4.07 2. 94 5.05 3.39 3.09 Hardness 2 (kg/mm ) 4.5 (Mohs)... Properties of Uniaxial Crystalline Materials Uniaxial Density material (g/cm ) Ag2HgI4 Ag3AsS3 Ag3AsSe3 Ag3SbS3 AgAsS2 AgGaS2 AgGaSe2 AgI Al2O3 AlAsO4 AlF3 AlGaO3 AlN AlPO4 AlTiTaO6 Ba2B5O9Cl Ba2MgAlF9 Ba2MgF6 Ba2MgGe2O7 Ba2MgSi2O7 Ba2Sc4O9 Ba2TiSi2O8 Ba2ZnF6 Ba2ZnGe2O7 Ba2ZnSi2O7 Ba2ZrSi2O8 Ba3(VO4 )2 Ba3Sc4O9 Ba3SrNb2O9 Ba3SrTa2O9 Ba5(AsO4)3F © 20 03 by CRC Press LLC 3 6.091 5.49 6. 521 5. 82 – 4.7 02 5.70... (eitelite) © 20 03 by CRC Press LLC Formula NaGaGeO4 NaGaGe2O6 NaGaSiO4 Na2GeO3 NaInO2 Na5InGe4O 12 NaIn(MoO4 )2 Na5InSi4O 12 NaI Na3La(AsO4 )2 Na3La(BO3 )2 Na3La2(BO3)3 Na18La(BO3)7 NaLa(MoO4 )2 NaLaO2 Na3La(PO4 )2 NaLaP2O7 NaLaP4O 12 NaLa(WO4 )2 Na3La(VO4 )2 Na(Li,Al)3Al6(BO3)3Si6O18(OH) Na2LiAlF6 Na3Li3Al2F 12 Na3Li3Ga2F 12 Na3Li3In2F 12 Na3Li2Nb5O15 Na3Li3Sc2F 12 NaLiV2O6 Na2LiYSi6O15 Na2LiZrSi6O15 Na3Lu(AsO4 )2 NaLuGeO4 . Insoluble Ca 2 LiMg 2 V 3 O 12 3.447 – – – Ca 2 LiZn 2 V 3 O 12 3. 726 – – – Ca 2 NaMg 2 V 3 O 12 3.414 – – – Ca 2 NaZn 2 V 3 O 12 3.976 – – – Ca 2 Sb 2 O 7 – – None Insoluble Ca 3 Al 2 Ge 3 O 12 4.357 – None. Insoluble BaF 2 4.83 82( 500) (111)-p 0. 12 BaF 2 -CaF 2 4.89 – (111)-p 0.16 Bi 12 GeO 20 9 .22 4.5(Mohs) None Insoluble Bi 12 SiO 20 9 .20 – None Insoluble Bi 12 TiO 20 9.069 – None Insoluble Bi 4 Ge 3 O 12 7.13. gadolinium antimonade Y 2 GdSbO 7 Orthorhombic (C 222 1 ) Yttrium gadolinium niobate YGd 2 NbO 7 Orthorhombic (C 222 1 ) Yttrium gadolinium tantalate Y 2 GdTaO 7 Orthorhombic (C 222 1 ) Yttrium gallium