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Trigonal - Ditrigonal Pyramidal Class

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Trigonal - Ditrigonal Pyramidal Class (H-M Symbol (3m))

Axial Diagram, Paper Model and KrystalShaper Form
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114 Minerals From the H-M Class Trigonal - Ditrigonal Pyramidal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Acetamide R3c 11.44 13.5 18 1,530.09 1.15 1.2
Aerinite # P3c1 16.872 5.2256 1 1,288.25 2.51 2.5
Alloriite ! P31c 12.892 21.34 1 3,071.61 2.36 2.3
Aluminocerite-(Ce) ! R3c 10.581 37.932 6 3,677.82 4.67
Ammoniojarosite # R3m 7.2 17 3 763.21 3.13 3.0
Aqualite ! R3m 14.078 31.24 3 5,361.96 2.61
Argentojarosite # R3m 7.35 16.58 3 775.69 3.66 3.7
Arsenocrandallite R3m 7.08 17.27 3 749.70 3.96 3.2
Arsenoflorencite-(La) * R3m 7 16.68 3 707.82 3.97 4.1 - 4.2
Arsenoflorencite-(Nd) * R3m 7.03 16.55 3 708.34 4.30 4.1 - 4.2
Asbecasite P3c 8.36 15.3 2 926.05 3.79 3.7
Beaverite # R3m 7.203 16.94 3 761.15 4.33 4.4
Belendorffite R3m 13.36 16.161 12 2,498.11 13.15 13.2
Bobdownsite ! R3c 10.3224 37.07 6 3,420.70 3.07
Buergerite ! R3m 15.874 7.196 3 1,570.34 3.34 3.3
Buryatite ! P31c 11.14 20.99 4 2,255.87 2.15
Bystrite P31c 12.855 10.7 2 1,531.29 2.40 2.4
Carbokentbrooksite ! R3m 14.239 30.039 3 5,274.43 2.95 3.1
Cerite-(Ce) # R3c 10.779 38.061 6 3,829.73 5.24 4.9
Cerite-(La) ! R3c 10.7493 38.318 6 3,834.37 4.74 4.7
Changbaiite R3m 10.499 11.553 9 1,102.86 6.63 6.5
Charlesite P31c 11.16 21.21 2 2,287.70 1.79 1.8
Chlorartinite ! R3c (?) 23.163 7.221 18 3,355.20 1.92 1.9
Chromdravite ! R3m 16.11 7.27 3 1,634.02 3.40 3.4
Chvilevaite P3m 3.873 6.848 1 88.96 3.92
Congolite R3c 8.6225 21.054 6 1,355.60 3.37 3.6
Corkite # R3m 7.22 16.66 3 752.11 4.42 4.3
Cronstedtite # P31m 5.486 7.095 1 184.92 3.59 3.3
Dravite ! R3m 15.941 7.201 3 1,584.73 3.01 3.0 - 3.2
Dualite ! R3m 14.153 60.72 3 10,533.2 2.82 2.8
Dukeite ! P31c 15.067 15.293 2 3,006.61 7.18
Dussertite # R3m 7.4244 17.494 3 835.11 3.98 3.8
Elbaite ! R3m 15.838 7.103 3 1,543.03 2.96 2.9 - 3.2
Ellisite R3m 12.324 9.647 7 1,268.90 7.18 7.1
Feklichevite ! R3m 14.255 30.17 3 5,309.34 2.85 2.9
Fencooperite ! P3m1 10.727 7.085 1 706.04 4.24
Ferrokentbrooksite ! R3m 14.2277 29.987 3 5,256.94 3.06 3.1
Ferromerrillite ! R3c 10.372 37.217 6 3,467.35 3.15
Feruvite ! R3m 16.012 7.245 3 1,608.65 3.24 3.2
Foitite ! R3m 15.967 7.126 3 1,573.34 3.27 3.2
Galeite # P3m 12.197 13.955 3 1,797.90 2.59 2.6
Gallobeudantite ! R3m 7.225 17.03 3 769.88 4.65 4.6
Georgbarsanovite ! R3m 14.274 30.02 3 5,297.04 3.10 3.0
Giuseppettite P31c 12.856 42.256 1 6,048.27 2.38 2.3
Golyshevite ! R3m 14.231 29.984 3 5,258.85 2.77 2.9
Gratonite # R3m 17.701 7.792 3 2,114.34 6.23 6.2
Grattarolaite ! R3m 7.994 6.855 4 379.37 5.44 4.1
Hatrurite R3m 7.15 25.56 9 1,131.63 3.02 3.0
Holtedahlite P31m 11.203 4.977 1 540.96 2.93 2.9
Hundholmenite-(Y) ! R3m 10.675 27.02 3 2,666.56 4.71
Hydrocerussite # P31m 5.24 23.74 3 564.51 6.84 6.8
Hydroniumjarosite R3m 7.3559 17.009 3 797.04 3.00 2.5 - 2.9
Hydroxyuvite ! R3m 15.954 7.214 3 1,590.18 3.05
Ikranite ! R3m 14.167 30.081 3 5,228.52 2.63 2.8
IMA2007-041T R3m 10.94 13.97   1,447.98  
IMA2008-029 R3c 15.2171 8.9323   1,791.26  
IMA2009-028 P31c 12.6678 10.3401 2 1,437.00 2.36
IMA2009-039 R3m 14.2418 30.1143 3 5,289.73 2.87
Iquiqueite P31c 11.6369 30.158 3 3,536.78 2.06 2.0
Johnsenite-(Ce) ! R3m 14.237 30.03 3 5,271.37 3.19 3.2
Kalsilite # P31c 5.157 8.706 2 200.51 2.62 2.6
Kentbrooksite ! R3m 14.168 30.0847 3 5,229.90 3.72 3.1
Khomyakovite ! R3m 14.2959 30.084 3 5,324.63 3.13
Krivovichevite ! R3c 7.742 32.082 6 1,665.32 5.22
Labyrinthite ! R3m 14.239 60.733 3 10,663.9 2.85 2.9
Liddicoatite ! R3m 15.875 7.126 3 1,555.26 2.94 3.0
Lusungite ? R3m 7.04 16.8 3 721.08 3.99 4.1
Magnesiofoitite ! R3m 15.884 7.178 3 1,568.39 2.98
Makinenite R3m 10.01 3.28 9 284.62 7.23
Manganokhomyakovite ! R3m 14.282 30.12 3 5,320.64 3.13 3.1
Matraite ? R3m 3.8 9.4 3 117.55 4.13
Merenskyite P3m1 3.978 5.125 1 70.24 9.14
Merrillite R3c 10.362 37.106 3 3,450.34 3.10
Merrillite-(Ca) * R3c 10.362 37.106 3 3,450.34 3.03
Merrillite-(Y) * R3c 10.362 37.106 3 3,450.34 3.29
Mertieite-II R3c 7.601 42.904 12 2,146.69 11.25 11.3
Mogovidite ! R3m 14.232 30.21 3 5,299.24 2.88 2.9
Natrojarosite # R3m 7.18 16.3 3 727.72 3.32 2.9 - 3.3
Nierite P31c 7.74 5.61 4 291.06 3.20 3.2
Okanoganite-(Y) R3m 10.7108 27.0398 3 2,686.45 4.93 4.3
Olenite ! R3m 15.802 7.086 3 1,532.34 3.13 3.0
Osarizawaite R3m 7.05 17.25 3 742.50 4.15 4.0
Perryite R3c 6.64 37.982 12 1,450.26 7.56
Pezzottaite ! R3c 15.946 27.803 18 6,122.46 3.22 3.0
Povondraite ! R3m 16.186 7.444 3 1,688.95 3.41 3.3
Proshchenkoite-(Y) ! R3m 10.7527 27.4002 3 2,743.59 4.92 4.7
Pyrargyrite # R3c 11.047 8.719 6 921.48 5.86 5.8
Raslakite ! R3m 14.229 30.019 3 5,263.51 2.63 3.0
Rastsvetaevite ! R3m 14.249 60.969 3 10,720.3 2.82
Rossmanite ! R3m 15.77 7.085 3 1,525.93 3.02 3.0
Satterlyite P31m 11.355 5.0394 6 562.71 3.68 3.7
Schairerite # P31m 12.17 19.29 3 2,474.25 2.63 2.6
Schallerite # P3m1 ? 13.4 14.28 2 2,220.59 3.45 3.4
Schollhornite R3m ? 3.32 26.6 3 253.92 2.77 2.7
Schorl ! R3m 15.99 7.195 3 1,593.16 3.29 3.1 - 3.2
Schorl-(F) ! R3m 15.997 7.179 3 1,591.01 3.22
Selenopolybasite ! P3m1 7.595 12.0731 1 603.12 6.55
Shafranovskite P31c 14.519 21.062 6 3,845.07 2.72 2.8
Spangolite # P31c 8.254 14.354 2 846.90 3.13 3.1
Spionkopite P3m1 ? 22.962 41.429 504 18,917.1 5.35 5.1
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