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 164 Records, Sorted by D1 using 1.54056 - CuKa1 for 2θ WHERE (d1 > 6.7032 AND d1 < 6.9768)
D1
Å (2θ)
I1
%)
D2
Å (2θ)
I2
(%)
D3
Å (2θ)
I3
(%)
Mineral Formula
6.860(12.89) 200 16.660(5.30) 120 5.440(16.28) 100 Ungemachite K3Na8Fe+++(SO4)6(NO3)2·6(H2O)
6.860(12.89) 200 6.420(13.78) 70 5.366(16.51) 60 Bradaczekite NaCu4(AsO4)3
6.860(12.89) 200 6.380(13.87) 130 4.616(19.21) 120 Pellyite Ba2Ca(Fe++,Mg)2Si6O17
6.862(12.89) 200 6.670(13.26) 160 13.340(6.62) 120 Vlodavetsite AlCa2(SO4)2F2Cl·4(H2O)
6.880(12.86) 200 6.760(13.09) 180 8.260(10.70) 120 Sorbyite Pb19(Sb,As)20S49
6.880(12.86) 200 4.980(17.80) 180 5.320(16.65) 180 Nolanite (V+++,Fe++,Fe+++,Ti)10O14(OH)2
6.880(12.86) 200 7.700(11.48) 180 8.160(10.83) 100 Farringtonite Mg3(PO4)2
6.880(12.86) 200 16.080(5.49) 200 48.200(1.83) 200 Bornemanite BaNa3{(Na,Ti)4[(Ti,Nb)2O2Si4O14](F,OH)2}·PO4
6.880(12.86) 200 5.354(16.54) 190 5.506(16.08) 150 Bismoclite BiOCl
6.880(12.86) 200 5.140(17.24) 160 6.300(14.05) 160 Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6
6.880(12.86) 200 6.240(14.18) 80 5.040(17.58) 70 Szomolnokite Fe++SO4·(H2O)
6.880(12.86) 200 5.120(17.31) 160 9.040(9.78) 140 Xenotime-(Yb) YbPO4
6.880(12.86) 200 5.620(15.76) 60 6.740(13.12) 50 Cosalite Pb2Bi2S5
6.882(12.85) 200 3.740(23.77) 50 8.884(9.95) 26 Virgilite LixAlxSi3-xO6
6.882(12.85) 200 7.014(12.61) 200 8.040(11.00) 200 Nalipoite NaLi2PO4
6.884(12.85) 200 8.120(10.89) 62 8.720(10.14) 40 Alarsite AlAsO4
6.884(12.85) 200 6.202(14.27) 194 4.240(20.93) 160 Barite BaSO4
6.888(12.84) 200 7.010(12.62) 104 4.780(18.55) 98 Mereiterite K2Fe++(SO4)2·4(H2O)
6.890(12.84) 200 8.720(10.14) 38 4.724(18.77) 28 Rodolicoite Fe+++PO4
6.890(12.84) 200 4.444(19.96) 160 7.306(12.10) 140 Yaroslavite Ca3Al2F10(OH)2·(H2O)
6.900(12.82) 200 6.420(13.78) 180 17.780(4.97) 180 Epistilbite CaAl2Si6O16·5(H2O)
6.900(12.82) 200 3.922(22.65) 100 6.060(14.61) 80 Galenobismutite PbBi2S4
6.900(12.82) 200 6.520(13.57) 180 6.100(14.51) 160 Manaksite KNaMn++Si4O10
6.900(12.82) 200 3.536(25.16) 100 5.120(17.31) 100 Xenotime-(Y) YPO4
6.900(12.82) 200 17.760(4.97) 160 13.840(6.38) 160 Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48·13(H2O)
6.900(12.82) 200 5.600(15.81) 80 3.656(24.33) 60 Zinkenite Pb9Sb22S42
6.900(12.82) 200 5.658(15.65) 80 8.200(10.78) 60 Benavidesite Pb4(Mn,Fe)Sb6S14
6.900(12.82) 200 6.140(14.41) 80 7.640(11.57) 40 Silvialite (Ca,Na)4Al6Si6O24(SO4,CO3)
6.900(12.82) 200 10.900(8.10) 180 6.120(14.46) 160 Teineite CuTeO3·2(H2O)
6.900(12.82) 200 5.780(15.32) 170 14.500(6.09) 170 Vayrynenite MnBe(PO4)(OH,F)
6.900(12.82) 200 14.200(6.22) 186 6.200(14.27) 134 Nickelzippeite Ni++2(UO2)6(SO4)3(OH)10·16(H2O)
6.900(12.82) 200 5.880(15.05) 160 7.060(12.53) 160 Hyalotekite (Ba,Pb,Ca,K)6(B,Si,Al)2(Si,Be)10O28(F,Cl)
6.900(12.82) 200 11.120(7.94) 166 22.580(3.91) 126 Chloromenite Cu9O2(SeO3)4Cl6
6.900(12.82) 200 5.840(15.16) 160 8.340(10.60) 160 Launayite Pb22Sb26S61
6.908(12.80) 200 5.184(17.09) 140 4.148(21.40) 80 Surkhobite KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8
6.914(12.79) 200 9.888(8.94) 200 9.464(9.34) 160 Metadelrioite CaSrV2O6(OH)2·(H2O)
6.915(12.79) 200 5.667(15.62) 198 7.213(12.26) 114 IMA2005-036 Cu8Pb4Ag3Bi19S38
6.920(12.78) 200 6.160(14.37) 100 9.440(9.36) 100 Poitevinite (Cu,Fe++,Zn)SO4·(H2O)
6.920(12.78) 200 6.140(14.41) 140 6.060(14.61) 120 Scapolite (Na,Ca)4[(Al,Si)12O24]Cl
6.920(12.78) 200 5.380(16.46) 180 6.760(13.09) 160 Wenkite Ba4Ca6(Si,Al)20O39(OH)2(SO4)3·n(H2O) (?)
6.928(12.77) 200 6.138(14.42) 140 7.648(11.56) 120 Meionite Ca4Al6Si6O24CO3
6.928(12.77) 200 6.346(13.94) 118 3.462(25.71) 38 Qilianshanite NaH4(CO3)(BO3)·2(H2O)
6.936(12.75) 200 3.916(22.69) 160 5.526(16.03) 50 Armalcolite (Mg,Fe++)Ti2O5
6.936(12.75) 200 5.896(15.01) 172 5.774(15.33) 152 Morinite NaCa2Al2(PO4)2(F,OH)5·2(H2O)
6.940(12.74) 200 9.320(9.48) 200 5.280(16.78) 140 Coffinite U(SiO4)1-x(OH)4x
6.940(12.74) 200 13.840(6.38) 156 3.966(22.40) 126 Paraspurrite Ca5(SiO4)2(CO3)
6.940(12.74) 200 5.780(15.32) 160 5.600(15.81) 140 Berryite Cu3Ag2Pb3Bi7S16
6.940(12.74) 200 5.208(17.01) 160 14.800(5.97) 120 Vyuntspakhkite-(Y) (Y,Yb,Er)4Al2AlSi5O18(OH)5
6.944(12.74) 200 5.912(14.97) 108 4.104(21.64) 92 Scainiite Pb14Sb30S54O5
6.948(12.73) 200 20.860(4.23) 84 5.212(17.00) 80 Perraultite (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6
6.954(12.72) 200 10.380(8.51) 180 5.600(15.81) 100 Horvathite-(Y) NaY(CO3)F2
6.956(12.72) 200 5.684(15.58) 188 7.292(12.13) 114 Cupromakovickyite Cu4AgPb2Bi9S18
6.960(12.71) 200 4.444(19.96) 160 7.440(11.89) 140 Vimsite CaB2O2(OH)4
6.960(12.71) 200 9.120(9.69) 140 7.380(11.98) 120 Carlhintzeite Ca2AlF7·(H2O)
6.960(12.71) 200 5.436(16.29) 170 5.982(14.80) 170 Kogarkoite Na3(SO4)F
6.960(12.71) 200 5.912(14.97) 94 6.916(12.79) 80 Pillaite Pb9Sb10S23ClO0.5
6.960(12.71) 200 5.300(16.71) 80 11.600(7.61) 60 Monimolite (Pb,Ca)2Sb2O7
6.960(12.71) 200 13.800(6.40) 180 14.600(6.05) 180 Creedite Ca3Al2(SO4)(F,OH)10·2(H2O)
6.966(12.70) 200 4.462(19.88) 180 5.792(15.28) 120 Moschelite Hg+2I2
6.966(12.70) 200 5.496(16.11) 160 9.804(9.01) 90 Pseudobrookite (Fe+++,Fe++)2(Ti,Fe++)O5
6.972(12.69) 200 3.661(24.29) 100 20.898(4.22) 100 Straczekite (Ca,K,Ba)(V5+,V4+)8O20·3H2O
6.974(12.68) 200 5.252(16.87) 136 3.596(24.74) 122 IMA2008-035 CeSiO4
6.976(12.68) 200 5.296(16.73) 70 4.218(21.04) 44 Rosiaite PbSb+++++2O6

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