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X-Ray Diffraction Table |
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X-Ray Diffraction Table |
See Help on X-Ray Diffraction.
Powder X-ray Diffraction (XRD) is one of the primary techniques used by mineralogists and solid state chemists to examine the physico-chemical make-up of unknown materials. This data is represented in a collection of single-phase X-ray powder diffraction patterns for the three most intense D values in the form of tables of interplanar spacings (D), relative intensities (I/Io), mineral name and chemical formulae
The XRD technique takes a sample of the material and places a powdered sample in a holder, then the sample is illuminated with x-rays of a fixed wave-length and the intensity of the reflected radiation is recorded using a goniometer. This data is then analyzed for the reflection angle to calculate the inter-atomic spacing (D value in Angstrom units - 10-8 cm). The intensity(I) is measured to discriminate (using I ratios) the various D spacings and the results are compared to this table to identify possible matches. Note: 2 theta (Θ) angle calculated from the Bragg Equation, 2 Θ = 2(arcsin(n λ/(2d)) where n=1
For more information about this technique, see X-Ray Analysis of a Solid or take an internet course at Birkbeck College On-line Courses. Many thanks to Frederic Biret for these data.
| D1 Å (2θ) |
I1 %) |
D2 Å (2θ) |
I2 (%) |
D3 Å (2θ) |
I3 (%) |
Mineral | Formula |
| 6.400(13.83) | 200 | 7.500(11.79) | 160 | 8.060(10.97) | 160 | Bytownite | (Ca,Na)(Si,Al)4O8 |
| 6.400(13.83) | 200 | 5.400(16.40) | 100 | 6.100(14.51) | 36 | Manganolangbeinite | K2Mn2(SO4)3 |
| 6.400(13.83) | 200 | 6.360(13.91) | 150 | 8.080(10.94) | 120 | Anorthite | CaAl2Si2O8 |
| 6.400(13.83) | 200 | 7.038(12.57) | 160 | 9.758(9.06) | 140 | Bergslagite | CaBe(AsO4)(OH) |
| 6.400(13.83) | 200 | 7.480(11.82) | 160 | 8.040(11.00) | 160 | Oligoclase | (Na,Ca)(Si,Al)4O8 |
| 6.400(13.83) | 200 | 5.160(17.17) | 180 | 5.858(15.11) | 160 | Carminite | PbFe+++2(AsO4)2(OH)2 |
| 6.400(13.83) | 200 | 12.600(7.01) | 180 | 19.000(4.65) | 180 | Satimolite | KNa2Al4(B2O5)3Cl3·13(H2O) |
| 6.400(13.83) | 200 | 6.020(14.70) | 180 | 5.180(17.10) | 120 | Samsonite | Ag4MnSb2S6 |
| 6.400(13.83) | 200 | 10.100(8.75) | 140 | 14.280(6.18) | 140 | Priderite | (K,Ba)(Ti,Fe+++)8O16 |
| 6.400(13.83) | 200 | 5.474(16.18) | 160 | 8.560(10.33) | 140 | Reddingite | Mn++3(PO4)2·3(H2O) |
| 6.400(13.83) | 200 | 7.260(12.18) | 200 | 5.180(17.10) | 160 | Magbasite | KBa(Al,Sc)(Mg,Fe++)6Si6O20F2 |
| 6.400(13.83) | 200 | 3.754(23.68) | 108 | 4.086(21.73) | 76 | Indite | Fe++In2S4 |
| 6.400(13.83) | 200 | 6.480(13.65) | 200 | 6.060(14.61) | 18 | Keiviite-(Yb) | (Yb,Y)2Si2O7 |
| 6.400(13.83) | 200 | 5.760(15.37) | 180 | 7.300(12.11) | 80 | Haradaite | Sr4V++++4Si8O28 |
| 6.402(13.82) | 200 | 3.172(28.11) | 160 | 4.946(17.92) | 140 | Mannardite | BaTi6V+++2O16·(H2O) |
| 6.402(13.82) | 200 | 8.232(10.74) | 200 | 14.220(6.21) | 200 | Gobbinsite | (Na2,Ca)2K2Al6Si10O32·12(H2O) |
| 6.402(13.82) | 200 | 5.930(14.93) | 180 | 6.086(14.54) | 120 | Rosenhahnite | Ca3Si3O8[(OH)2-4x,(CO3)x] |
| 6.404(13.82) | 200 | 5.544(15.97) | 136 | 6.198(14.28) | 128 | Nickeltalmessite | Ca2Ni(AsO4)2·2H2O |
| 6.404(13.82) | 200 | 3.178(28.05) | 140 | 4.952(17.90) | 140 | Ankangite | Ba(Ti,V+++,Cr+++)8O16 |
| 6.404(13.82) | 200 | 5.950(14.88) | 196 | 6.310(14.02) | 142 | Georgbarsanovite | Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2·H2O |
| 6.406(13.81) | 200 | 5.046(17.56) | 180 | 19.220(4.59) | 150 | Ephesite | NaLiAl2(Al2Si2)O10(OH)2 |
| 6.408(13.81) | 200 | 3.558(25.01) | 140 | 5.998(14.76) | 60 | Pseudograndreefite | Pb6SO4F1O |
| 6.408(13.81) | 200 | 7.084(12.48) | 200 | 3.746(23.73) | 150 | Dachiardite-Ca | (Ca,Na2,K2)5Al10Si38O96·25(H2O) |
| 6.410(13.80) | 200 | 12.814(6.89) | 114 | 5.270(16.81) | 108 | Gaylussite | Na2Ca(CO3)2·5(H2O) |
| 6.412(13.80) | 200 | 10.060(8.78) | 160 | 3.984(22.30) | 90 | IMA2008-040 | BiMo2O7(OH)·2H2O |
| 6.412(13.80) | 200 | 7.008(12.62) | 160 | 6.368(13.90) | 144 | Stronalsite | SrNa2Al4Si4O16 |
| 6.412(13.80) | 200 | 6.492(13.63) | 150 | 6.304(14.04) | 100 | Scorzalite | (Fe++,Mg)Al2(PO4)2(OH)2 |
| 6.412(13.80) | 200 | 5.848(15.14) | 140 | 7.288(12.13) | 120 | Cannonite | Bi2O(OH)2SO4 |
| 6.414(13.80) | 200 | 8.568(10.32) | 160 | 10.192(8.67) | 160 | Landesite | (Mn,Mg)9Fe+++3(PO4)8(OH)3·9(H2O) |
| 6.416(13.79) | 200 | 20.708(4.26) | 188 | 6.176(14.33) | 152 | Orthowalpurgite | (UO2)Bi4O4(AsO4)2·2(H2O) |
| 6.416(13.79) | 200 | 6.190(14.30) | 180 | 6.150(14.39) | 100 | Trolleite | Al4(PO4)3(OH)3 |
| 6.418(13.79) | 200 | 22.240(3.97) | 200 | 5.502(16.10) | 120 | Sterlinghillite | Mn++3(AsO4)2·3(H2O) |
| 6.420(13.78) | 200 | 14.320(6.17) | 200 | 14.360(6.15) | 200 | Phillipsite-Na | (Na,K,Ca)1-2(Si,Al)8O16·6(H2O) |
| 6.420(13.78) | 200 | 14.320(6.17) | 200 | 14.360(6.15) | 200 | Phillipsite-K | (K,Na,Ca)1-2(Si,Al)8O16·6(H2O) |
| 6.420(13.78) | 200 | 5.820(15.21) | 180 | 6.520(13.57) | 180 | Plagionite | Pb5Sb8S17 |
| 6.420(13.78) | 200 | 9.360(9.44) | 160 | 5.820(15.21) | 140 | Bushmakinite | Pb2Al(PO4)(VO4)(OH) |
| 6.420(13.78) | 200 | 13.860(6.37) | 200 | 6.220(14.23) | 180 | Neskevaaraite-Fe | NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6(H2O) |
| 6.420(13.78) | 200 | 5.980(14.80) | 170 | 11.980(7.37) | 120 | Pyatenkoite-(Y) | Na5(Y,Dy,Gd)TiSi6O18·6(H2O) |
| 6.420(13.78) | 200 | 8.940(9.89) | 200 | 10.300(8.58) | 160 | Schubnelite | Fe++(V+++++O4)(H2O) |
| 6.420(13.78) | 200 | 14.320(6.17) | 200 | 14.360(6.15) | 200 | Phillipsite-Ca | (Ca,K,Na)1-2(Si,Al)8O16·6(H2O) |
| 6.420(13.78) | 200 | 12.700(6.95) | 200 | 5.242(16.90) | 110 | Iriginite | (UO2)(Mo++++++2O7)·3(H2O) |
| 6.420(13.78) | 200 | 5.890(15.03) | 180 | 4.882(18.16) | 160 | Rusakovite | (Fe+++,Al)5(VO4,PO4)2(OH)9·3(H2O) |
| 6.420(13.78) | 200 | 5.820(15.21) | 180 | 6.040(14.65) | 180 | Kanoite | (Mn++,Mg)2Si2O6 |
| 6.420(13.78) | 200 | 3.216(27.72) | 60 | 8.480(10.42) | 40 | Tinnunculite | C10H12N6O8 (?) |
| 6.420(13.78) | 200 | 4.060(21.87) | 70 | 7.440(11.89) | 70 | Toyohaite | Ag2FeSn3S8 |
| 6.420(13.78) | 200 | 6.360(13.91) | 180 | 8.080(10.94) | 160 | Andesine | (Na,Ca)(Si,Al)4O8 |
| 6.420(13.78) | 200 | 8.040(11.00) | 200 | 5.020(17.65) | 160 | Petscheckite | U++++Fe++(Nb,Ta)2O8 |
| 6.420(13.78) | 200 | 10.280(8.59) | 200 | 5.020(17.65) | 180 | Paralaurionite | PbCl(OH) |
| 6.422(13.78) | 200 | 6.486(13.64) | 180 | 8.212(10.76) | 32 | Anorthoclase | (Na,K)AlSi3O8 |
| 6.424(13.77) | 200 | 6.024(14.69) | 120 | 9.760(9.05) | 100 | Edoylerite | Hg++3Cr++++++O4S2 |
| 6.426(13.77) | 200 | 5.954(14.87) | 182 | 5.718(15.48) | 158 | Mogovidite | Na9(Ca,Na)6Ca6Fe2Zr3[ ]Si25O72(CO3)(OH)4 |
| 6.426(13.77) | 200 | 6.980(12.67) | 136 | 6.460(13.70) | 96 | Cubanite | CuFe2S3 |
| 6.430(13.76) | 200 | 5.634(15.72) | 176 | 6.932(12.76) | 156 | Sarabauite | CaSb10O10S6 |
| 6.432(13.76) | 200 | 9.680(9.13) | 180 | 6.232(14.20) | 160 | Meurigite-K | [K(H2O)2.5][Fe+++8(PO4)6(OH)7(H2O)4] |
| 6.436(13.75) | 200 | 3.218(27.70) | 154 | 7.052(12.54) | 92 | IMA2009-039 | Na14Ca6Mn3Zr3[Si26O72(OH)2](H2O,Cl,O,OH)6 |
| 6.436(13.75) | 200 | 3.944(22.52) | 84 | 5.576(15.88) | 80 | Senarmontite | Sb2O3 |
| 6.436(13.75) | 200 | 6.264(14.13) | 124 | 5.624(15.74) | 116 | Lulzacite | Sr2Fe++(Fe++,Mg)2Al4(PO4)4(OH)10 |
| 6.438(13.74) | 200 | 7.298(12.12) | 180 | 5.570(15.90) | 160 | Seeligerite | Pb3Cl3(IO3)O |
| 6.440(13.74) | 200 | 7.300(12.11) | 180 | 12.600(7.01) | 140 | Cancrisilite | Na7Al5Si7O24(C03)·3(H2O) |
| 6.440(13.74) | 200 | 12.640(6.99) | 140 | 7.060(12.53) | 100 | Guanine | C5H3(NH2)N4O |
| 6.440(13.74) | 200 | 5.940(14.90) | 140 | 5.180(17.10) | 126 | Vanadomalayaite | CaVOSiO4 |
| 6.440(13.74) | 200 | 3.480(25.58) | 180 | 5.460(16.22) | 160 | Sillenite | Bi12SiO20 |
| 6.440(13.74) | 200 | 8.220(10.75) | 120 | 10.020(8.82) | 120 | Osumilite-(Mg) | (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 |
| 6.440(13.74) | 200 | 6.200(14.27) | 180 | 7.060(12.53) | 180 | Cornwallite | Cu5(AsO4)2(OH)4 |
| 6.440(13.74) | 200 | 4.680(18.95) | 180 | 2.946(30.31) | 120 | Rucklidgeite | (Bi,Pb)3Te4 |
| 6.440(13.74) | 200 | 5.958(14.86) | 190 | 5.714(15.49) | 176 | Zirsilite-(Ce) | (Na,[ ])12(Ce, Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O |
| 6.440(13.74) | 200 | 4.180(21.24) | 160 | 8.320(10.62) | 160 | Svyatoslavite | CaAl2Si2O8 |
| 6.440(13.74) | 200 | 5.427(16.32) | 160 | 5.127(17.28) | 120 | Vesignieite | Cu3Ba(VO4)2(OH)2 |
| 6.440(13.74) | 200 | 3.718(23.91) | 180 | 5.740(15.42) | 160 | Enargite | Cu3AsS4 |
| 6.440(13.74) | 200 | 3.840(23.14) | 40 | 4.820(18.39) | 40 | Baratovite | KCa7(Ti,Zr)2Li3Si12O36F2 |
| 6.440(13.74) | 200 | 4.840(18.31) | 140 | 12.740(6.93) | 100 | Ekatite | (Fe+++,Fe++,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2 |
| 6.440(13.74) | 200 | 6.020(14.70) | 200 | 5.220(16.97) | 160 | Parageorgbokiite | Cu5O2(SeO3)2Cl2 |
| 6.444(13.73) | 200 | 4.384(20.24) | 50 | 4.752(18.66) | 50 | Tellurobismuthite | Bi2Te3 |
| 6.446(13.73) | 200 | 6.380(13.87) | 160 | 8.932(9.89) | 140 | Nickelblodite | Na2(Ni,Mg)(SO4)2·4(H2O) |
| 6.448(13.72) | 200 | 6.702(13.20) | 132 | 5.800(15.26) | 88 | IMA2009-023 | Pb6(Te2O10)(CO3)Cl2(H2O) |
| 6.448(13.72) | 200 | 6.240(14.18) | 174 | 5.682(15.58) | 138 | Pyrostilpnite | Ag3SbS3 |
| 6.448(13.72) | 200 | 3.272(27.23) | 80 | 4.864(18.22) | 80 | Guyanaite | CrO(OH) |
| 6.448(13.72) | 200 | 5.520(16.04) | 120 | 7.238(12.22) | 110 | Raspite | PbWO4 |
| 6.450(13.72) | 200 | 13.840(6.38) | 160 | 9.880(8.94) | 140 | Gjerdingenite-Fe | K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]·4(H2O) |
| 6.452(13.71) | 200 | 5.780(15.32) | 120 | 3.454(25.77) | 60 | Smirnite | Bi2Te++++O5 |
| 6.456(13.70) | 200 | 4.728(18.75) | 116 | 4.010(22.15) | 66 | Kochkarite | PbBi4Te7 |
| 6.456(13.70) | 200 | 5.250(16.87) | 162 | 10.238(8.63) | 154 | Cechite | Pb(Fe++,Mn)(VO4)(OH) |
| 6.456(13.70) | 200 | 10.118(8.73) | 130 | 7.452(11.87) | 100 | Yagiite | (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 |
| 6.458(13.70) | 200 | 5.760(15.37) | 160 | 8.194(10.79) | 140 | Oftedalite | (Sc,Ca)2KBe3Si12O30 |
| 6.460(13.70) | 200 | 5.800(15.26) | 160 | 10.240(8.63) | 160 | Descloizite | PbZn(VO4)(OH) |
| 6.460(13.70) | 200 | 3.900(22.78) | 160 | 4.560(19.45) | 160 | Miersite | (Ag,Cu)I |
| 6.460(13.70) | 200 | 4.702(18.86) | 74 | 4.456(19.91) | 62 | Tellurium | Te |
| 6.460(13.70) | 200 | 4.560(19.45) | 160 | 2.884(30.98) | 100 | Altaite | PbTe |
| 6.460(13.70) | 200 | 6.572(13.46) | 160 | 3.374(26.39) | 140 | Curetonite | Ba4Al3Ti(PO4)4(O,OH)6 |
| 6.460(13.70) | 200 | 14.200(6.22) | 180 | 5.020(17.65) | 160 | Tsepinite-Sr | (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2·3(H2O) |
| 6.460(13.70) | 200 | 3.562(24.98) | 140 | 4.310(20.59) | 120 | Tranquillityite | Fe++8(Zr,Y)2Ti3Si3O24 |
| 6.460(13.70) | 200 | 3.788(23.47) | 180 | 2.194(41.11) | 80 | Manganoshadlunite | (Mn,Pb)(Cu,Fe)8S8 |
| 6.460(13.70) | 200 | 2.306(39.03) | 140 | 3.140(28.40) | 140 | Asbecasite | Ca3(Ti,Sn)As+++6Si2Be2O20 |
| 6.460(13.70) | 200 | 4.440(19.98) | 180 | 3.472(25.64) | 160 | Colquiriite | CaLiAlF6 |
| 6.460(13.70) | 200 | 4.720(18.78) | 120 | 4.420(20.07) | 100 | Tsumoite | BiTe |
| 6.460(13.70) | 200 | 9.300(9.50) | 180 | 6.080(14.56) | 160 | Keiviite-(Y) | (Y,Yb)2Si2O7 |
| 6.460(13.70) | 200 | 3.866(22.99) | 80 | 4.840(18.31) | 60 | Katayamalite | (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 |
| 6.460(13.70) | 200 | 6.740(13.12) | 150 | 10.460(8.45) | 110 | Sazhinite-(Ce) | Na2Ce[Si6O14(OH)]·n(H2O), (n >= 1.5) |
| 6.460(13.70) | 200 | 3.374(26.39) | 180 | 4.960(17.87) | 160 | Ilmenorutile | (Ti,Nb,Fe+++)O2 |
| 6.460(13.70) | 200 | 12.800(6.90) | 180 | 6.060(14.61) | 160 | Fairfieldite | Ca2(Mn,Fe++)(PO4)2·2(H2O) |