Mineralogy Database

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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Found 42 Records, Sorted by D1 using 1.54056 - CuKa1 for 2θ WHERE (d1 > 3.7926 AND d1 < 3.9474)
D1
Å (2θ)
I1
%)
D2
Å (2θ)
I2
(%)
D3
Å (2θ)
I3
(%)
Mineral Formula
3.798(23.40) 200 6.122(14.46) 110 5.534(16.00) 70 Yarrowite Cu9S8
3.800(23.39) 200 5.000(17.72) 200 5.200(17.04) 200 Hastite CoSe2
3.804(23.37) 200 6.670(13.26) 160 5.806(15.25) 150 Reinhardbraunsite Ca5(SiO4)2(OH,F)2
3.808(23.34) 200 3.318(26.85) 126 6.068(14.59) 124 Kumtyubeite Ca5(SiO4)2F2
3.808(23.34) 200 6.220(14.23) 160 3.250(27.42) 80 Chatkalite Cu6Fe++Sn2S8
3.820(23.27) 200 4.422(20.06) 200 9.040(9.78) 200 Hongshiite PtCu
3.820(23.27) 200 5.456(16.23) 148 6.082(14.55) 130 Chegemite Ca7(SiO4)3(OH)2
3.820(23.27) 200 6.152(14.39) 170 5.554(15.94) 60 Spionkopite Cu1.4S
3.830(23.20) 200 5.260(16.84) 200 5.340(16.59) 160 Omeiite (Os,Ru)As2
3.832(23.19) 200 4.620(19.20) 200 4.094(21.69) 198 Ekaterinite Ca2B4O7(Cl,OH)2·2(H2O)
3.836(23.17) 200 5.420(16.34) 100 7.660(11.54) 70 Neighborite NaMgF3
3.836(23.17) 200 3.954(22.47) 200 4.220(21.03) 80 Orcelite Ni5-xAs2 (x=0.23)
3.836(23.17) 200 4.348(20.41) 200 6.660(13.28) 200 Genthelvite Zn4Be3(SiO4)3S
3.840(23.14) 200 2.190(41.19) 180 3.002(29.74) 180 Anduoite (Ru,Os)As2
3.848(23.09) 200 3.954(22.47) 200 4.300(20.64) 130 Perryite (Ni,Fe)8(Si,P)3
3.850(23.08) 200 6.290(14.07) 180 6.564(13.48) 180 Geffroyite (Ag,Cu,Fe)9(Se,S)8
3.852(23.07) 200 2.938(30.40) 180 4.732(18.74) 180 Satpaevite Al12V++++2V+++++6O37·30(H2O)
3.860(23.02) 200 5.840(15.16) 120 16.240(5.44) 120 Bultfonteinite Ca2SiO2(OH,F)4
3.860(23.02) 200 5.960(14.85) 200 6.540(13.53) 200 Juanite Ca10Mg4Al2Si11O39·4(H2O) (?)
3.860(23.02) 200 2.264(39.78) 180 2.470(36.34) 160 Gaotaiite Ir3Te8
3.862(23.01) 200 6.306(14.03) 188 3.294(27.05) 70 Fluorite CaF2
3.864(23.00) 200 5.832(15.18) 120 3.367(26.45) 90 Jaipurite CoS
3.866(22.99) 200 4.750(18.67) 180 3.714(23.94) 160 Roxbyite Cu1.78S
3.874(22.94) 200 6.360(13.91) 120 5.480(16.16) 100 Bornite Cu5FeS4
3.874(22.94) 200 6.420(13.78) 200 4.020(22.09) 180 Huanghoite-(Ce) BaCe(CO3)2F
3.880(22.90) 200 8.172(10.82) 102 4.872(18.19) 78 Stalderite TlCu(Zn,Fe,Hg)2As2S6
3.880(22.90) 200 3.440(25.88) 120 5.840(15.16) 80 Geversite Pt(Sb,Bi)2
3.882(22.89) 200 5.494(16.12) 190 7.766(11.38) 120 Cryolite Na3AlF6
3.884(22.88) 200 5.260(16.84) 200 5.060(17.51) 160 Oenite CoSbAs
3.890(22.84) 200 4.800(18.47) 200 6.040(14.65) 200 Chvilevaite Na(Cu,Fe,Zn)2S2
3.896(22.81) 200 5.560(15.93) 200 6.860(12.89) 150 Bastnasite-(Y) Y(CO3)F
3.904(22.76) 200 6.360(13.91) 200 3.342(26.65) 100 Mgriite (Cu,Fe)3AsSe3
3.910(22.72) 200 2.500(35.89) 160 3.470(25.65) 160 Mayingite IrBiTe
3.911(22.72) 200 5.684(15.58) 162 3.223(27.65) 46 Vavrinite Ni2SbTe2
3.912(22.71) 200 6.208(14.26) 136 5.518(16.05) 106 Pizgrischite (Cu,Fe)Cu14PbBi17S35
3.912(22.71) 200 5.484(16.15) 200 5.376(16.48) 160 Chrisstanleyite Ag2Pd3Se4
3.920(22.66) 200 5.540(15.98) 130 6.400(13.83) 114 Anilite Cu7S4
3.920(22.66) 200 6.380(13.87) 190 3.342(26.65) 160 Eskebornite CuFeSe2
3.920(22.66) 200 4.420(20.07) 160 8.580(10.30) 160 Cryolithionite Na3Li3Al2F12
3.930(22.61) 200 6.116(14.47) 200 6.480(13.65) 200 Fergusonite-beta-(Ce) (Ce,La,Nd)NbO4
3.936(22.57) 200 2.780(32.17) 164 4.780(18.55) 100 Magnesiostaurolite [ ]4Mg4Al16(Al,[ ])2Si8O40[O6,(OH)2]
3.946(22.51) 200 5.580(15.87) 80 6.420(13.78) 80 Digenite Cu9S5

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