X-Ray Diffraction Table

X-Ray Diffraction Table

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Minerals Arranged by X-Ray Powder Diffraction

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.

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Listing of 74 Records Sorted by D1 using 1.54056 - CuKa1 for 2θ WHERE (d1 > 2.254 AND d1 < 2.346)
D1
Å (2θ)
I1
%)
D2
Å (2θ)
I2
(%)
D3
Å (2θ)
I3
(%)
Mineral Formula
2.256(39.93) 100 1.479(62.77) 70 2.438(36.84) 70 Humite (Mg,Fe++)7(SiO4)3(F,OH)2
2.256(39.93) 100 2.438(36.84) 70 1.479(62.77) 70 Humite (Mg,Fe++)7(SiO4)3(F,OH)2
2.259(39.87) 100 2.078(43.52) 100 2.702(33.13) 90 Kutinaite Cu14Ag6As7
2.260(39.86) 100 3.070(29.06) 100 2.110(42.82) 90 Sobolevskite PdBi
2.260(39.86) 100 2.160(41.78) 90 0.791(153.71) 40 Keithconnite Pd3-xTe(x=0.14 to 0.43)
2.263(39.80) 100 3.008(29.67) 90 1.940(46.79) 60 Ungavaite Pd4Sb3
2.265(39.76) 100 1.962(46.23) 53 1.183(81.25) 33 Platinum Pt
2.265(39.76) 100 3.020(29.55) 90 1.934(46.94) 60 Genkinite (Pt,Pd)4Sb3
2.267(39.73) 100 1.263(75.16) 60 2.404(37.38) 60 Paraschachnerite Ag3Hg2
2.267(39.73) 100 2.724(32.85) 79 1.784(51.16) 70 Apatite-(CaOH)-M (Ca,Na)5[(P,S)O4]3(OH,Cl)
2.267(39.73) 100 2.404(37.38) 60 1.263(75.16) 60 Paraschachnerite Ag3Hg2
2.269(39.69) 100 2.259(39.87) 95 3.720(23.90) 95 Hydroxylclinohumite Mg9(SiO4)4(OH,F)2
2.269(39.69) 100 3.720(23.90) 95 2.259(39.87) 95 Hydroxylclinohumite Mg9(SiO4)4(OH,F)2
2.270(39.67) 100 2.194(41.11) 100 1.577(58.48) 50 Stibiopalladinite Pd5Sb2
2.270(39.67) 100 2.200(40.99) 100 1.580(58.36) 70 Stannopalladinite (Pd,Cu)3Sn2 (?)
2.272(39.64) 100 2.252(4-) 100 1.737(52.65) 95 Chondrodite (Mg,Fe++)5(SiO4)2(F,OH)2
2.273(39.62) 100 0.860(127.19) 60 2.420(37.12) 50 Schachnerite Ag1.1Hg0.9
2.279(39.51) 100 2.171(41.56) 90 2.232(40.38) 65 Mertieite-I Pd11(Sb,As)4
2.280(39.49) 100 2.160(41.78) 70 1.955(46.41) 50 Paolovite Pd2Sn
2.281(39.47) 100 3.325(26.79) 80 1.795(50.82) 78 Malladrite Na2SiF6
2.283(39.44) 100 2.163(41.72) 40 1.369(68.48) 30 Tatyanaite (Pt,Pd,Cu)9Cu3Sn4
2.290(39.31) 100 2.420(37.12) 40 1.370(68.42) 40 Dyscrasite Ag3Sb
2.290(39.31) 100 13.700(6.45) 100 8.000(11.05) 100 Connellite Cu19Cl4(SO4)(OH)32•3(H2O)
2.290(39.31) 100 8.000(11.05) 100 13.700(6.45) 100 Connellite Cu19Cl4(SO4)(OH)32•3(H2O)
2.290(39.31) 100 2.170(41.58) 90 1.230(77.55) 80 Cabriite Pd2SnCu
2.290(39.31) 100 1.370(68.42) 40 2.420(37.12) 40 Dyscrasite Ag3Sb
2.292(39.28) 100 5.507(16.08) 100 3.314(26.88) 100 Diaboleite Pb2CuCl2(OH)4
2.292(39.28) 100 3.100(28.77) 100 2.111(42.80) 75 Tetradymite Bi2Te2S
2.292(39.28) 100 3.314(26.88) 100 5.507(16.08) 100 Diaboleite Pb2CuCl2(OH)4
2.295(39.22) 100 1.202(79.71) 100 1.408(66.33) 90 Atokite (Pd,Pt)3Sn
2.295(39.22) 100 1.202(79.71) 100 1.408(66.33) 90 Rustenburgite (Pt,Pd)3Sn
2.298(39.17) 100 1.918(47.36) 73 2.094(43.17) 69 Monipite MoNiP
2.300(39.13) 100 3.340(26.67) 100 3.560(24.99) 80 Alamosite PbSiO3
2.300(39.13) 100 2.400(37.44) 100 2.700(33.15) 100 Bornhardtite Co++Co+++2Se4
2.300(39.13) 100 2.230(40.41) 100 1.207(79.31) 60 Plumbopalladinite Pd3Pb2
2.300(39.13) 100 2.230(40.41) 80 1.193(80.43) 70 Tongbaite Cr3C2
2.300(39.13) 100 1.728(52.94) 90 2.800(31.94) 80 Amakinite (Fe++,Mg)(OH)2
2.300(39.13) 100 1.203(79.63) 80 1.990(45.55) 60 Yixunite Pt3In
2.300(39.13) 100 2.700(33.15) 100 2.400(37.44) 100 Bornhardtite Co++Co+++2Se4
2.301(39.12) 100 2.188(41.23) 88 2.307(39.01) 47 Florenskyite (Fe,Ni)TiP
2.301(39.12) 100 4.620(19.20) 75 2.155(41.89) 54 Demartinite K2[SiF6]
2.305(39.05) 100 2.707(33.06) 80 2.602(34.44) 70 Franklinfurnaceite Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8
2.308(38.99) 100 4.610(19.24) 80 1.746(52.36) 60 Muskoxite Mg7Fe+++4O13•10(H2O)
2.310(38.96) 100 1.916(47.41) 100 2.047(44.21) 99 Ekaterinite Ca2B4O7(Cl,OH)2•2(H2O)
2.310(38.96) 100 2.870(31.14) 80 2.250(40.04) 70 Hessite Ag2Te
2.314(38.89) 100 2.119(42.63) 100 1.991(45.52) 70 Oregonite Ni2FeAs2
2.315(38.87) 100 3.520(25.28) 90 4.700(18.87) 90 Cookeite LiAl4(Si3Al)O10(OH)8
2.315(38.87) 100 1.207(79.31) 90 2.011(45.04) 80 Zvyagintsevite Pd3Pb
2.315(38.87) 100 3.430(25.96) 70 2.810(31.82) 40 Averievite Cu5(VO4)2O2•CuCl2
2.315(38.87) 100 4.700(18.87) 90 3.520(25.28) 90 Cookeite LiAl4(Si3Al)O10(OH)8
2.319(38.80) 100 1.639(56.06) 60 1.338(70.30) 17 Villiaumite NaF
2.320(38.78) 80 1.791(50.95) 80 1.744(52.42) 80 Felbertalite Cu2Pb6Bi8S19
2.325(38.70) 40 2.116(42.70) 40 4.373(20.29) 40 Tischendorfite Pd8Hg3Se9
2.325(38.70) 100 2.880(31.03) 100 2.630(34.06) 100 Makinenite NiSe
2.325(38.70) 100 2.630(34.06) 100 2.880(31.03) 100 Makinenite NiSe
2.330(38.61) 100 4.710(18.83) 100 3.980(22.32) 90 Donbassite Al2[Al2.33][Si3AlO10](OH)8
2.331(38.59) 100 2.550(35.16) 40 2.790(32.05) 30 Cadmium Cd
2.331(38.59) 100 3.105(28.73) 90 2.844(31.43) 90 Franciscanite-VIII Mn++3(V+++++,[ ])1-x(SiO4)(O,OH)3(x=0.5)
2.331(38.59) 100 2.844(31.43) 90 3.105(28.73) 90 Franciscanite-III Mn++6V+++++2Si2(O,OH)14
2.331(38.59) 100 3.105(28.73) 90 2.844(31.43) 90 Franciscanite-III Mn++6V+++++2Si2(O,OH)14
2.331(38.59) 100 2.844(31.43) 90 3.105(28.73) 90 Franciscanite-VIII Mn++3(V+++++,[ ])1-x(SiO4)(O,OH)3(x=0.5)
2.332(38.58) 100 2.134(42.32) 100 3.010(29.65) 100 Nabiasite BaMn9[(V,As)O4]6(OH)2
2.335(38.52) 100 4.610(19.24) 95 1.755(52.07) 50 Theophrastite Ni(OH)2
2.340(38.44) 100 2.060(43.92) 100 2.190(41.19) 100 Siderazot Fe5N2
2.340(38.44) 100 2.060(43.92) 100 1.590(57.95) 100 Siderazot Fe5N2
2.340(38.44) 100 4.160(21.34) 100 3.190(27.95) 80 Widenmannite Pb2(UO2)(CO3)3
2.340(38.44) 100 1.274(74.40) 80 1.402(66.65) 55 Potarite PdHg
2.340(38.44) 100 1.350(69.58) 35 1.650(55.66) 17 Tantalum Ta
2.340(38.44) 100 2.190(41.19) 100 2.060(43.92) 100 Siderazot Fe5N2
2.340(38.44) 100 4.010(22.15) 100 3.640(24.43) 90 Beryllite Be3SiO4(OH)2•(H2O)
2.342(38.40) 100 1.583(58.23) 30 1.471(63.15) 20 Novodneprite AuPb3
2.342(38.40) 100 1.471(63.15) 30 1.871(48.62) 20 Novodneprite AuPb3
2.345(38.35) 100 2.740(32.65) 90 2.794(32.01) 90 Jalpaite Ag3CuS2
2.345(38.35) 100 2.794(32.01) 90 2.740(32.65) 90 Jalpaite Ag3CuS2

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