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 106 Records, Sorted by D1 using 1.54056 - CuKa1 for 2θ WHERE (d1 > 4.9 AND d1 < 5.1)
D1
Å (2θ)
I1
%)
D2
Å (2θ)
I2
(%)
D3
Å (2θ)
I3
(%)
Mineral Formula
4.900(18.09) 200 4.080(21.76) 140 2.880(31.03) 120 Wadsleyite (Mg,Fe++)2SiO4
4.900(18.09) 200 3.940(22.55) 120 4.500(19.71) 120 Ferrihydrite Fe+++2O3·0.5(H2O)
4.900(18.09) 200 5.940(14.90) 180 9.800(9.02) 180 Adamite Zn2(AsO4)(OH)
4.900(18.09) 200 5.360(16.53) 200 3.612(24.63) 180 Penroseite (Ni,Co,Cu)Se2
4.900(18.09) 200 9.440(9.36) 180 3.652(24.35) 120 Pyrochroite Mn(OH)2
4.904(18.07) 200 8.620(10.25) 180 6.920(12.78) 170 Heterosite Fe+++PO4
4.906(18.07) 200 5.178(17.11) 100 5.486(16.14) 180 Fluorvesuvianite Ca19(Al,Mg)13[SiO4]10[Si2O7]4(F,OH)10
4.916(18.03) 200 5.858(15.11) 116 6.776(13.05) 112 Clinobarylite BaBe2Si2O7
4.916(18.03) 200 5.024(17.64) 140 7.766(11.38) 140 Forsterite Mg2SiO4
4.919(18.02) 200 2.883(30.99) 84 3.138(28.42) 72 Hercynite Fe++Al2O4
4.920(18.01) 200 5.240(16.91) 200 5.900(15.00) 200 Gaudefroyite Ca4Mn+++3-x(BO3)3(CO3)(O,OH)3
4.924(18.00) 200 5.414(16.36) 180 6.080(14.56) 160 Hetaerolite ZnMn+++2O4
4.930(17.98) 200 4.270(20.79) 74 3.020(29.55) 54 Cuprite Cu2O
4.940(17.94) 200 5.320(16.65) 160 6.040(14.65) 140 Hydrohetaerolite Zn2Mn+++4O8·(H2O)
4.940(17.94) 200 3.292(27.06) 90 5.700(15.53) 80 Mcconnellite CuCrO2
4.944(17.93) 200 4.520(19.62) 180 4.044(21.96) 120 Oulankaite (Pd,Pt)5(Cu,Fe)4SnTe2S2
4.946(17.92) 200 5.680(15.59) 160 7.040(12.56) 140 Satterlyite (Fe++,Mg)2(PO4)(OH)
4.952(17.90) 200 5.632(15.72) 142 5.204(17.02) 112 Zincite (Zn,Mn)O
4.954(17.89) 200 5.252(16.87) 200 4.858(18.25) 160 Menshikovite Pd3Ni2As3
4.960(17.87) 200 8.600(10.28) 180 5.860(15.11) 160 Simferite Li(Mg,Fe+++,Mn+++)2(PO4)2
4.960(17.87) 200 5.380(16.46) 200 16.000(5.52) 160 Northupite Na3Mg(CO3)2Cl
4.960(17.87) 200 8.040(11.00) 200 5.520(16.04) 180 Chkalovite Na2BeSi2O6
4.978(17.80) 200 5.124(17.29) 200 9.440(9.36) 200 Cornubite Cu5(AsO4)2(OH)4
4.980(17.80) 200 5.540(15.98) 180 3.088(28.89) 160 Hausmannite Mn++Mn+++2O4
4.980(17.80) 200 6.672(13.26) 200 9.600(9.20) 160 Parakhinite Cu++3PbTe++++++O4(OH)6
4.980(17.80) 200 2.932(30.46) 140 3.186(27.98) 120 Magnesiochromite MgCr2O4
4.982(17.79) 200 6.902(12.82) 180 9.732(9.08) 160 Khinite PbCu++3Te++++++O6(OH)2
4.984(17.78) 200 5.842(15.15) 120 2.920(30.59) 90 Galaxite (Mn,Mg)(Al,Fe+++)2O4
4.988(17.77) 200 5.256(16.85) 118 5.780(15.32) 100 Eucairite CuAgSe
5.000(17.72) 200 5.900(15.00) 180 5.100(17.37) 140 Furutobeite (Cu,Ag)6PbS4
5.000(17.72) 200 4.140(21.45) 160 5.860(15.11) 120 Coulsonite Fe++V+++2O4
5.002(17.72) 200 9.040(9.78) 170 28.400(3.11) 160 Sudoite Mg2(Al,Fe+++)3Si3AlO10(OH)8
5.002(17.72) 200 5.310(16.68) 180 5.786(15.30) 160 Krinovite NaMg2CrSi3O10
5.010(17.69) 200 5.296(16.73) 160 5.624(15.74) 120 Hibonite (Ca,Ce)(Al,Ti,Mg)12O19
5.016(17.67) 200 3.024(29.51) 80 5.720(15.48) 70 Delafossite Cu+Fe+++O2
5.020(17.65) 200 5.300(16.71) 180 5.140(17.24) 160 Pirssonite Na2Ca(CO3)2·2(H2O)
5.020(17.65) 200 5.400(16.40) 180 10.840(8.15) 160 Pinakiolite Mg2Mn+++O2(BO3)
5.020(17.65) 200 5.900(15.00) 110 2.944(30.34) 100 Nichromite (Ni,Co,Fe++)(Cr,Fe+++,Al)2O4
5.020(17.65) 200 6.520(13.57) 200 5.620(15.76) 120 Terlinguaite Hg+Hg++ClO
5.020(17.65) 200 12.000(7.36) 110 5.180(17.10) 90 Rinneite K3NaFe++Cl6
5.022(17.65) 188 3.756(23.67) 180 5.666(15.63) 88 Qusongite WC
5.024(17.64) 200 2.944(30.34) 90 5.894(15.02) 70 Cochromite (Co,Ni,Fe++)(Cr,Al)2O4
5.026(17.63) 200 2.952(30.25) 80 3.210(27.77) 60 Trevorite NiFe+++2O4
5.026(17.63) 200 6.842(12.93) 140 11.840(7.46) 120 Weinebeneite CaBe3(PO4)2(OH)2·5(H2O)
5.028(17.62) 200 5.096(17.39) 200 10.200(8.66) 100 Bonaccordite Ni2Fe+++BO5
5.034(17.60) 200 2.958(30.19) 120 5.920(14.95) 100 Cuprospinel (Cu,Mg)Fe+++2O4
5.036(17.60) 200 8.126(10.88) 160 5.966(14.84) 120 Terlinguacreekite Hg++3O2Cl2
5.038(17.59) 200 5.908(14.98) 100 2.952(30.25) 70 Zincochromite ZnCr2O4
5.040(17.58) 200 4.640(19.11) 192 5.060(17.51) 98 Tenorite CuO
5.040(17.58) 200 6.200(14.27) 200 5.660(15.64) 180 Homilite Ca2(Fe++,Mg)B2Si2O10
5.040(17.58) 200 5.340(16.59) 200 5.960(14.85) 200 Hydrohalite NaCl·2(H2O)
5.040(17.58) 200 11.520(7.67) 200 7.400(11.95) 160 Painite CaZrB[Al9O18]
5.040(17.58) 200 6.940(12.74) 180 5.560(15.93) 160 Laihunite Fe++Fe+++2(SiO4)2
5.040(17.58) 200 2.920(30.59) 180 3.200(27.86) 180 Chromite Fe++Cr2O4
5.040(17.58) 200 3.164(28.18) 180 9.680(9.13) 180 Magnesiocoulsonite MgV+++2O4
5.040(17.58) 80 6.820(12.97) 80 19.940(4.43) 80 Montdorite (K,Na)(Fe++,Mn++,Mg)2.5[Si4O10](F,OH)2
5.040(17.58) 200 5.920(14.95) 200 5.740(15.42) 160 Natalyite Na(V+++,Cr+++)Si2O6
5.042(17.58) 200 7.800(11.33) 170 5.356(16.54) 100 Brochantite Cu4(SO4)(OH)6
5.044(17.57) 200 2.994(29.82) 108 5.346(16.57) 88 Rinmanite (Zn,Mn)2Sb2Mg2Fe4O14(OH)2
5.044(17.57) 200 8.780(10.07) 180 6.406(13.81) 160 Paragonite NaAl2(Si3Al)O10(OH)2
5.050(17.55) 200 5.920(14.95) 80 2.962(30.15) 70 Magnesioferrite MgFe+++2O4
5.059(17.52) 200 16.096(5.49) 180 4.196(21.16) 126 Hogtuvaite (Ca,Na)2(Fe++,Fe+++,Ti,Mg,Mn)6(Si,Be,Al)6O20
5.060(17.51) 200 5.820(15.21) 200 7.460(11.85) 160 Thalcusite TlCu3FeS4
5.060(17.51) 200 5.500(16.10) 160 6.920(12.78) 160 Xanthiosite Ni3(AsO4)2
5.060(17.51) 200 14.580(6.06) 200 7.220(12.25) 160 Antigorite (Mg,Fe++)3Si2O5(OH)4
5.060(17.51) 200 9.000(9.82) 178 6.320(14.00) 144 Potassicleakeite KNa2Mg2Fe+++2LiSi8O22(OH)2
5.060(17.51) 200 2.972(30.04) 120 3.234(27.56) 100 Qandilite (Mg,Fe++)2(Ti,Fe+++,Al)O4
5.060(17.51) 200 6.320(14.00) 200 6.600(13.40) 200 Odintsovite K2Na4Ca3Ti2Be4Si12O38
5.060(17.51) 200 5.620(15.76) 140 9.720(9.09) 120 Kuznetsovite Hg3Cl(AsO4)
5.060(17.51) 200 2.966(30.10) 170 3.228(27.61) 170 Magnetite Fe++Fe+++2O4
5.060(17.51) 200 5.352(16.55) 154 5.848(15.14) 138 Makarochkinite Ca2Fe++4Fe+++TiSi4BeAlO20
5.060(17.51) 200 5.820(15.21) 140 14.648(6.03) 140 Welshite Ca4Mg9Sb3O4[Si6Be3AlFe2O36]
5.060(17.51) 200 5.120(17.31) 160 5.800(15.26) 160 Serendibite Ca2(Mg,Al)6(Si,Al,B)6O20
5.062(17.51) 200 4.844(18.30) 160 4.854(18.26) 160 Clinosafflorite (Co,Fe,Ni)As2
5.063(17.50) 200 5.783(15.31) 140 8.278(10.68) 100 Abhurite Sn3O(OH)2Cl2
5.064(17.50) 200 5.548(15.96) 160 8.780(10.07) 160 Reederite-(Y) Na15Y2(CO3)9(SO3F)Cl
5.064(17.50) 200 4.002(22.19) 108 5.236(16.92) 100 Aluminomagnesiohulsite Mg2(Al,Mg,Sn)(BO3)O2
5.066(17.49) 200 2.924(30.55) 70 5.440(16.28) 70 Macaulayite (Fe+++,Al)24Si4O43(OH)2
5.070(17.48) 200 7.004(12.63) 170 14.000(6.31) 170 Kellyite (Mn++,Mg,Al)3(Si,Al)2O5(OH)4
5.072(17.47) 200 5.428(16.32) 174 6.722(13.16) 142 Fangite Tl3AsS4
5.074(17.46) 200 5.100(17.37) 170 16.876(5.23) 160 IMA2008-048 Zn6(PO4)4·7H2O
5.080(17.44) 200 7.020(12.60) 180 8.580(10.30) 180 Triphylite LiFe++PO4
5.080(17.44) 200 9.340(9.46) 180 10.420(8.48) 160 Nastrophite Na(Sr,Ba)(PO4)·9(H2O)
5.080(17.44) 200 5.300(16.71) 170 7.780(11.36) 96 Radtkeite Hg3S2ClI
5.080(17.44) 200 3.600(24.71) 126 11.800(7.49) 126 Lawrencite (Fe++,Ni)Cl2
5.080(17.44) 200 2.968(30.08) 180 3.230(27.59) 140 Brunogeierite (Ge++,Fe++)Fe+++2O4
5.080(17.44) 200 5.632(15.72) 200 7.056(12.53) 200 Junitoite CaZn2Si2O7·(H2O)
5.080(17.44) 200 2.940(30.38) 160 4.460(19.89) 100 Feroxyhyte Fe+++O(OH)
5.090(17.41) 200 4.650(19.07) 180 3.432(25.94) 160 Gersdorffite NiAsS
5.090(17.41) 200 5.280(16.78) 200 5.870(15.08) 160 Kullerudite NiSe2
5.090(17.41) 200 5.656(15.65) 176 6.376(13.88) 170 Cobaltlotharmeyerite Ca(Co,Fe,Ni)2(AsO4)2(OH,H2O)2
5.094(17.39) 200 10.180(8.68) 140 11.500(7.68) 140 Donharrisite Ni8Hg3S9
5.094(17.39) 200 2.972(30.04) 180 8.912(9.92) 180 Saliotite Na0.5Li0.5Al3AlSi3O10(OH)5
5.096(17.39) 200 6.102(14.50) 180 7.032(12.58) 100 Lithiophilite LiMnPO4
5.098(17.38) 200 10.180(8.68) 180 11.780(7.50) 180 Dumortierite Al6.5-7(BO3)(SiO4)3(O,OH)3
5.100(17.37) 200 3.260(27.33) 140 3.000(29.76) 120 Manganochromite (Mn,Fe++)(Cr,V)2O4
5.100(17.37) 200 5.480(16.16) 180 5.600(15.81) 160 Langbanite (Mn,Ca,Fe)++4(Mn+++,Fe+++)9Sb+++++Si2O24
5.100(17.37) 200 6.160(14.37) 200 6.960(12.71) 180 Prehnite Ca2Al2Si3O10(OH)2
5.100(17.37) 200 5.380(16.46) 160 11.800(7.49) 100 Chlormanganokalite K4MnCl6
5.100(17.37) 200 5.220(16.97) 200 9.040(9.78) 200 Beidellite Na0.5Al2(Si3.5Al0.5)O10(OH)2·n(H2O)

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