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 4479 Records, Sorted by D1 using 1.54056 - CuKa1 for 2θ
D1
Å (2θ)
I1
%)
D2
Å (2θ)
I2
(%)
D3
Å (2θ)
I3
(%)
Mineral Formula
18.300(4.82) 200 5.620(15.76) 100 9.200(9.61) 80 Jahnsite-(CaMnFe) CaMn++Fe++2Fe+++2(PO4)4(OH)2·8(H2O)
18.320(4.82) 200 5.680(15.59) 160 5.840(15.16) 160 Inesite Ca2Mn7Si10O28(OH)2·5(H2O)
18.320(4.82) 200 5.814(15.23) 120 5.608(15.79) 100 Willhendersonite KCaAl3Si3O12·5(H2O)
18.354(4.81) 200 9.176(9.63) 64 6.118(14.47) 30 Lemanskiite NaCaCu5(AsO4)4Cl·5H2O
18.360(4.81) 200 15.820(5.58) 160 6.500(13.61) 130 Howieite Na(Fe++,Mn++)10(Fe,Al)2Si12O31(OH)13
18.366(4.81) 200 2.148(42.03) 42 6.512(13.59) 32 Menezesite Ba2MgZr4(BaNb12O42)·12H2O
18.400(4.80) 200 19.200(4.60) 200 7.800(11.33) 140 Bukovskyite Fe+++2(AsO4)(SO4)(OH)·7(H2O)
18.400(4.80) 200 10.120(8.73) 120 10.820(8.16) 100 Sinkankasite H2MnAl(PO4)2(OH)·6(H2O)
18.400(4.80) 200 11.160(7.92) 160 36.200(2.44) 160 Aluminocopiapite Al2/3Fe+++4(SO4)6O(OH)2·20(H2O)
18.436(4.79) 200 5.638(15.70) 140 5.186(17.08) 50 Jahnsite-(NaFeMg) NaFe+++Mg2Fe+++2(PO4)4(OH)2·8H2O
18.460(4.78) 200 36.800(2.40) 200 11.140(7.93) 140 Copiapite Fe++Fe+++4(SO4)6(OH)2·20(H2O)
18.500(4.77) 200 12.240(7.22) 160 7.120(12.42) 120 Zincocopiapite ZnFe+++4(SO4)6(OH)2·18(H2O)
18.540(4.76) 200 5.562(15.92) 160 5.882(15.05) 140 Whiteite-(CaFeMg) Ca(Fe++,Mn++)Mg2Al2(PO4)4(OH)2·8(H2O)
18.540(4.76) 200 4.878(18.17) 160 7.380(11.98) 140 Shabynite Mg5(BO3)Cl2(OH)5·4(H2O)
18.540(4.76) 200 9.700(9.11) 50 4.560(19.45) 40 Uramarsite (NH4,H3O)2(UO2)2(AsO4,PO4)2·6H2O
18.540(4.76) 200 5.650(15.67) 160 9.820(9.00) 120 Jahnsite-(CaMnMg) CaMnMg2Fe+++2(PO4)4(OH)2·8(H2O)
18.560(4.76) 200 9.284(9.52) 100 5.668(15.62) 70 Jahnsite-(CaFeFe) (Ca,Mn)(Fe++,Mn++)Fe++2Fe+++2(PO4)4(OH)2·8(H2O)
18.560(4.76) 200 6.902(12.82) 160 6.188(14.30) 160 IMA2009-008 Y2[(UO2)8O6(SO4)4(OH)2]·26H2O
18.580(4.75) 200 37.140(2.38) 180 11.200(7.89) 160 Magnesiocopiapite MgFe+++4(SO4)6(OH)2·20(H2O)
18.580(4.75) 200 9.280(9.52) 180 8.520(10.37) 160 Sarmientite Fe+++2(AsO4)(SO4)(OH)·5(H2O)
18.600(4.75) 200 12.560(7.03) 180 9.780(9.03) 120 Levinsonite-(Y) (Y,Nd,La)Al(SO4)2(C2O4)·12(H2O)
18.600(4.75) 200 5.720(15.48) 140 3.440(25.88) 120 Englishite K3Na2Ca10Al15(PO4)21(OH)7·26(H2O)
18.620(4.74) 200 5.580(15.87) 160 9.700(9.11) 100 Whiteite-(CaMnMg) CaMn++Mg2Al2(PO4)4(OH)2·8(H2O)
18.640(4.74) 200 5.560(15.93) 180 5.900(15.00) 100 Whiteite-(MnFeMg) (Mn++,Ca)(Fe++,Mn++)Mg2Al2(PO4)4(OH)2·8(H2O)
18.680(4.73) 200 14.180(6.23) 100 7.094(12.47) 80 Janggunite Mn++++5-x(Mn++,Fe+++)1+xO8(OH)6, x = 0,2
18.698(4.72) 200 6.412(13.80) 80 6.214(14.24) 60 Meurigite-Na [Na(H2O)2.5][Fe+++8(PO4)6(OH)7(H2O)4]
18.700(4.72) 200 3.060(29.16) 110 9.180(9.63) 90 Talc Mg3Si4O10(OH)2
18.760(4.71) 200 5.604(15.80) 160 9.380(9.42) 100 Rittmannite Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)
18.760(4.71) 200 4.982(17.79) 160 9.180(9.63) 140 Micheelsenite (Ca,Y)3Al[PO3OH,CO3](CO3)(OH)6·12(H2O)
18.760(4.71) 200 5.680(15.59) 180 5.200(17.04) 160 Kaluginite (Mn++,Ca)MgFe+++(PO4)2(OH)·4(H2O)
18.780(4.70) 200 5.720(15.48) 180 9.400(9.40) 100 Manganosegelerite (Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH)·4(H2O)
18.800(4.70) 200 9.360(9.44) 160 7.360(12.01) 140 Basaluminite Al4(SO4)(OH)10·5(H2O)
18.800(4.70) 200 5.740(15.42) 160 9.408(9.39) 60 Jahnsite-(CaMnMn) CaMn++Mn++2Fe+++2(PO4)4(OH)2·8(H2O)
18.800(4.70) 200 6.240(14.18) 56 5.006(17.70) 46 Willemseite (Ni,Mg)3Si4O10(OH)2
18.800(4.70) 200 7.002(12.63) 110 4.664(19.01) 60 Spencerite Zn4(PO4)2(OH)2·3(H2O)
18.820(4.69) 200 6.826(12.96) 110 7.626(11.59) 80 Kidwellite Na(Fe+++,Cu)9+x(PO4)6(OH)11·3(H2O)
18.860(4.68) 200 6.948(12.73) 160 6.732(13.14) 120 Threadgoldite Al(UO2)2(PO4)2(OH)·8(H2O)
18.866(4.68) 200 5.636(15.71) 100 5.792(15.28) 60 Goldquarryite (Cu,[ ])(Cd,Ca)2Al3(PO4)4F2(H2O)10{(H2O,F)}2
18.868(4.68) 200 8.056(10.97) 26 9.882(8.94) 22 Ravatite C14H10
18.900(4.67) 200 6.226(14.21) 72 9.400(9.40) 32 Hendersonite Ca1.3V6O16·6(H2O)
18.940(4.66) 200 6.880(12.86) 160 9.480(9.32) 160 Marecottite Mg3(H2O)18[(UO2)4O3(SO4)2]2·10(H2O)
18.960(4.66) 200 7.920(11.16) 180 5.566(15.91) 160 Greifensteinite Ca2Be4(Fe++,Mn)5(PO4)6(OH)4·6(H2O)
18.960(4.66) 200 28.720(3.07) 200 14.760(5.98) 140 Paramendozavilite NaAl4Fe+++7(PO4)5(P+++++Mo++++++12O40)(OH)16·56(H2O)
18.980(4.65) 200 8.312(10.63) 120 13.720(6.44) 70 Laumontite CaAl2Si4O12·4(H2O)
18.980(4.65) 200 5.824(15.20) 88 5.780(15.32) 70 Juonniite CaMgSc(PO4)2(OH)·4(H2O)
19.000(4.65) 200 18.620(4.74) 170 7.172(12.33) 78 IMA2000-020 Fe4[AsO3OH]5[AsO2(OH)2]2·20(H2O)
19.000(4.65) 200 6.260(14.14) 120 8.700(10.16) 100 Phosphofibrite KCuFe+++15(PO4)12(OH)12·12(H2O)
19.040(4.64) 200 5.320(16.65) 140 5.080(17.44) 120 Cassagnaite (Ca,Mn++)4(Fe+++,Mn+++,Al)4(OH)4(V+++,Mg,Al)2(O,OH)4(Si3O10)(SiO4)2
19.040(4.64) 200 19.720(4.48) 200 7.580(11.66) 160 Chelyabinskite (Ca,Mg)3Si(OH)6(SO4,CO3)2·9(H2O)
19.080(4.63) 200 5.060(17.51) 140 6.360(13.91) 100 Minnesotaite (Fe++,Mg)3Si4O10(OH)2
19.080(4.63) 200 16.240(5.44) 80 9.120(9.69) 42 Canavesite Mg2(CO3)(HBO3)·5(H2O)
19.100(4.62) 200 8.216(10.76) 140 8.016(11.03) 100 IMA2008-046 MgZr(PO4)2·4H2O
19.120(4.62) 200 11.020(8.02) 80 6.820(12.97) 40 Thaumasite Ca3Si(CO3)(SO4)(OH)6·12(H2O)
19.140(4.61) 200 7.660(11.54) 160 11.060(7.99) 160 Carraraite Ca3Ge(OH)6(SO4)(CO3 )·12H2 O
19.200(4.60) 200 6.496(13.62) 180 7.368(12.00) 180 Pahasapaite Li8(Ca,Li,K,Na)11Be24(PO4)24·38(H2O)
19.200(4.60) 200 6.080(14.56) 200 3.420(26.03) 160 Sampleite NaCaCu5(PO4)4Cl·5(H2O)
19.200(4.60) 200 7.620(11.60) 120 11.060(7.99) 120 Jouravskite Ca3Mn++++(SO4,CO3)2(OH)6·12(H2O)
19.200(4.60) 200 9.560(9.24) 90 6.380(13.87) 50 Zussmanite K(Fe++,Mg,Mn)13[AlSi17O42](OH)14
19.260(4.58) 200 11.820(7.47) 92 4.356(20.37) 66 Meniaylovite Ca4AlSi(SO4)F13·12(H2O)
19.260(4.58) 200 6.078(14.56) 140 13.580(6.50) 80 Piypite K2Cu2(SO4)2O
19.280(4.58) 200 6.290(14.07) 100 8.920(9.91) 80 Calcioandyrobertsite-1M KCaCu5(AsO4)4[As(OH)2O2]·2(H2O)
19.280(4.58) 200 6.290(14.07) 100 8.920(9.91) 80 Andyrobertsite KCdCu5(AsO4)4[As(OH)2O2]·2(H2O)
19.300(4.57) 200 11.160(7.92) 160 6.420(13.78) 120 Ettringite Ca6Al2(SO4)3(OH)12·26(H2O)
19.312(4.57) 200 11.184(7.90) 80 3.884(22.88) 40 Bentorite Ca6(Cr,Al)2(SO4)3(OH)12·26(H2O)
19.320(4.57) 200 9.700(9.11) 100 11.180(7.90) 70 Zellerite Ca(UO2)(CO3)2·5(H2O)
19.340(4.57) 200 7.780(11.36) 140 11.160(7.92) 140 Sturmanite Ca6(Fe+++,Al,Mn++)2(SO4)2[B(OH)4](OH)12·25(H2O)
19.340(4.57) 200 11.160(7.92) 140 7.780(11.36) 140 Charlesite Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12·26(H2O)
19.360(4.56) 200 9.600(9.20) 160 4.780(18.55) 80 Todorokite (Na,Ca,K)2(Mn++++,Mn+++)6O12·3-4.5(H2O)
19.360(4.56) 200 5.112(17.33) 180 5.586(15.85) 140 Coombsite K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14
19.360(4.56) 200 9.620(9.19) 130 10.160(8.70) 130 Bermanite Mn++Mn+++2(PO4)2(OH)2·4(H2O)
19.380(4.56) 200 9.720(9.09) 180 6.940(12.74) 160 Sabugalite HAl(UO2)4(PO4)4·16(H2O)
19.380(4.56) 200 9.720(9.09) 180 12.920(6.84) 180 Sigloite Fe+++Al2(PO4)2(OH)3·5(H2O)
19.400(4.55) 200 9.668(9.14) 160 5.112(17.33) 140 Leisingite Cu(Mg,Cu,Fe,Zn)2Te++++++O6·6(H2O)
19.400(4.55) 200 6.440(13.74) 160 5.110(17.34) 140 Chukhrovite-(Nd) Ca3(Nd,Y)Al2(SO4)F13·12(H2O)
19.440(4.54) 200 13.340(6.62) 160 14.840(5.95) 140 Lasalite Na2Mg2(V10O28)·20H2O
19.500(4.53) 200 6.416(13.79) 180 6.094(14.52) 100 Tooeleite Fe+++6(AsO3)4(SO4)(OH)4·4H2O
19.500(4.53) 200 12.700(6.95) 60 18.480(4.78) 40 Mitryaevaite Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O)
19.500(4.53) 200 7.206(12.27) 200 7.632(11.59) 180 Amstallite CaAl(Si,Al)4O8(OH)4·((H2O),Cl)
19.500(4.53) 200 11.860(7.45) 160 6.440(13.74) 140 Chukhrovite-(Ce) Ca3(Ce,Y)Al2(SO4)F13·10(H2O)
19.540(4.52) 200 6.220(14.23) 140 9.740(9.07) 100 Lavendulan NaCaCu5(AsO4)4Cl·5(H2O)
19.556(4.51) 200 6.500(13.61) 120 6.852(12.91) 120 Schieffelinite Pb(Te++++++,S)O4·(H2O)
19.560(4.51) 200 6.340(13.96) 160 5.660(15.64) 140 Gordonite MgAl2(PO4)2(OH)2·8(H2O)
19.600(4.50) 200 13.800(6.40) 160 5.580(15.87) 140 Earlshannonite (Mn,Fe++)Fe+++2(PO4)2(OH)2·4(H2O)
19.620(4.50) 200 9.810(9.01) 86 6.436(13.75) 38 Sengierite Cu2(UO2)2V2O8·6(H2O)
19.650(4.49) 200 5.894(15.02) 120 11.774(7.50) 100 Braithwaiteite NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2·8H2O
19.660(4.49) 200 6.264(14.13) 180 9.850(8.97) 120 Zdenekite NaPbCu++5(AsO4)4Cl·5(H2O)
19.660(4.49) 200 6.600(13.40) 130 9.920(8.91) 80 Koktaite (NH4)2Ca(SO4)2·(H2O)
19.698(4.48) 200 8.772(10.08) 180 9.848(8.97) 160 Kunatite CuFe+++2(PO4)2(OH)2·4H2O
19.700(4.48) 200 6.980(12.67) 180 9.900(8.92) 160 Saleeite Mg(UO2)2(PO4)2·10(H2O)
19.720(4.48) 200 6.400(13.83) 160 13.140(6.72) 160 Ushkovite MgFe+++2(PO4)2(OH)2·8(H2O)
19.780(4.46) 200 12.800(6.90) 130 9.860(8.96) 60 Paravauxite Fe++Al2(PO4)2(OH)2·8(H2O)
19.800(4.46) 200 5.328(16.62) 160 6.252(14.15) 120 Ercitite Na2(H2O)4[Mn+++2(OH)2(PO4)2]
19.800(4.46) 200 12.800(6.90) 180 9.800(9.02) 160 Maghrebite MgAl2(AsO4)2(OH)2·8H2O
19.820(4.45) 200 6.560(13.49) 180 9.900(8.92) 160 Laueite Mn++Fe+++2(PO4)2(OH)2·8(H2O)
19.834(4.45) 200 9.914(8.91) 100 13.082(6.75) 72 Kastningite (Mn++,Fe++,Mg)Al2(PO4 )2(OH)2·8(H2O)
19.840(4.45) 200 6.310(14.02) 180 8.348(10.59) 180 Metavanuralite Al(UO2)2(VO4)2(OH)·8(H2O)
19.852(4.45) 200 11.738(7.53) 140 6.944(12.74) 80 Pseudolaueite Mn++Fe+++2(PO4)2(OH)2·7-8(H2O)
19.920(4.43) 200 8.840(1-) 80 12.740(6.93) 80 Matulaite CaAl18(PO4)12(OH)20·28(H2O)
19.960(4.42) 200 5.980(14.80) 80 7.860(11.25) 80 Stewartite Mn++Fe+++2(PO4)2(OH)2·8(H2O)
19.980(4.42) 200 6.740(13.12) 160 6.240(14.18) 160 Fluorophlogopite KMg3(AlSi3)O10F2

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