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Hexagonal - Dihexagonal Dipyramidal Class

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Hexagonal - Dihexagonal Dipyramidal Class (H-M Symbol (6/m 2/m 2/m))

Axial Diagram, Paper Model and KrystalShaper Form
LEGEND: Bold - (Valid Mineral Species)     ! - Dana Number Added     # - (Grandfathered as Valid}     ? - (Discredited or otherwise Invalid Species)     * - (Not Approved IMA)     See Mouse Pointer Tool Tip on Mineral Name for more Information
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136 Minerals From the H-M Class Hexagonal - Dihexagonal Dipyramidal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Achavalite ! P63mmc 3.636 5.946 2 68.08 6.58 6.5
Akhtenskite P63mmc 2.85 4.48 1 31.51 4.58 4.0
Algodonite # P63mmc 2.6 4.228 0.3 24.75 9.18 8.4 - 8.7
Allargentum # P63mmc 2.945 4.77 2 35.83 10.01 10.0
Almarudite ! P6/mcc 9.997 14.09 2 1,219.50 2.72
Astrocyanite-(Ce) P6/mmm 14.96 26.86 12 5,205.95 3.64 3.8
Atheneite P6/mmm 6.798 3.483 2 139.39 11.07 10.2
Barbertonite # P63mmc 6.17 15.52 1 511.67 2.12 2.1
Batiferrite ! P63mmc 5.908 23.39 2 707.04 5.03
Bazzite # P6/mcc 9.521 9.165 2 719.50 2.61 2.8
Bentorite P63mmc 22.35 21.41 8 9,261.95 1.85 2.0
Berezanskite ! P6/mcc 9.903 14.274 2 1,212.30 2.66 2.7
Beryl # P6/mmc 9.215 9.192 2 675.98 2.64 2.6 - 2.9
Brannockite P6/mcc 10.002 14.263 2 1,235.71 2.99 3.0
Breithauptite # P63mmc 3.93 5.13 2 68.62 8.73 8.2
Brugnatellite # P63mmc 5.48 16 1 416.11 2.21 2.1
Burbankite # P63mmc 10.53 6.47 2 621.29 3.77 3.5
Burnsite ! P63mmc 8.7805 15.521 2 1,036.31 3.85
Buttgenbachite # P63mmc 15.82 9.13 2 1,978.86 3.45 3.4
Cacoxenite # P6/mmm 27.559 10.655 3 7,008.27 3.19 2.3 - 3.4
Cadmium P63mmc 2.979 5.617 2 43.17 8.65 8.6
Catamarcaite ! P63mc 7.5238 12.39 2 607.40 4.93
Chaoite P6/mmm 8.948 14.078 168 976.17 3.43 3.3 - 3.4
Chayesite P6/mcc 10.153 14.388 2 1,284.46 2.69
Claringbullite P63mmc 6.6733 9.185 2 354.23 3.83 3.9
Cordylite-(Ce) # P63mmc 5.093 23.017 2 517.04 4.08 4.4
Covellite # P63mmc 3.792 16.344 6 203.53 4.68 4.6 - 4.8
Darapiosite P6/mcc 10.32 14.39 2 1,327.24 2.82 2.9
Diaoyudaoite P63mmc 5.602 22.626 2 614.93 3.20 3.3
Dmisteinbergite P6/mmm 5.122 14.781 2 335.83 2.75
Drysdallite P63mmc 3.286 12.899 2 120.62 6.34 6.2
Dugganite P6/mmm 8.472 5.208 1 323.72 6.68 6.3
Dusmatovite P6/mcc 10.218 14.292 2 1,292.28 3.02 3.0
Eifelite P6/mcc 10.137 14.223 2 1,265.73 2.68 2.7
Erionite-Ca ! P63mmc 13.333 15.091 1 2,323.30 2.08 2.1
Erionite-K ! P63mmc 13.2 15.075 1 2,274.76 2.16 2.1
Erionite-Na # P63mmc 13.21 15.048 1 2,274.13 2.05 2.1
Ettringite # P63mmc 22.46 21.44 8 9,366.45 1.78 1.8
Fairchildite # P63mmc 5.272 13.28 2 319.65 2.48 2.4
Farneseite ! P63m 12.8784 37.0078 1 5,315.55 2.52
Fleischerite P63mmc 8.89 10.86 2 743.30 4.50 4.2 - 4.4
Fluocerite-(Ce) # P63mcm 7.12 7.28 6 319.61 6.14 6.1
Freboldite # P63mmc 3.61 5.28 2 59.59 7.68
Friedrichbeckeite ! P6/mcc 9.97 14.13 2 1,216.36 2.68
Gmelinite-Ca ! P63mmc 13.8 9.964 1 1,643.32 2.11 2.0 - 2.2
Gmelinite-K ! P63mmc 13.621 10.254 1 1,647.56 2.05 2.0
Gmelinite-Na # P63mmc 13.756 10.048 1 1,646.63 2.02 2.0 - 2.2
Graphite # P63mmc 2.464 6.736 4 35.42 2.25 2.1 - 2.2
Haggertyite ! P63mmc 5.926 23.32 2 709.22 4.87
Hauckite P6/mmm 9.17 30.21 1 2,199.99 3.01 3.0 - 3.1
Hawthorneite P63mmc 5.871 23.06 2 688.36 5.02
Heterogenite-2H P63mmc 2.855 8.805 2 62.15 4.91 4.3
Hexaferrum ! P63mmc 2.591 4.168 2 24.23 11.86
Hexamolybdenum ! P63mmc 2.7506 4.4318 2 29.04 11.90
Hexatestibiopanickelite P63mmc 3.983 5.339 2 73.35 8.91 8.9
Hibonite # P63mmc 5.564 21.892 2 586.94 4.01 3.8
Ice # P63mmc 4.51 7.35 4 129.47 .92 .9
Idaite # P63mmc 3.9 16.95 1 223.27 4.21 4.2
IMA2008-009 ! P63m 9.845 7.383 2 619.72 3.98
IMA2008-055 ! P63mmc 2.6941 4.2731 2 26.86 8.80
IMA2009-005 P63m 9.4437 6.8169 2 526.50 4.39
IMA2009-027 P63mmc 5.613 22.285 2 608.04 3.69
IMA2009-030 P63mmc 5.875 23.137 1 691.60 2.67
Imgreite ? P63mmc 3.937 5.354 2 71.87 8.61 8.5 - 8.6
Indialite # P6/mcc 9.812 9.351 2 779.66 2.49 2.5
Jaipurite * P63mmc 3.367 5.16 2 50.66 5.97 5.4
Kittatinnyite P63mmc 6.498 22.78 2 833.00 2.63 2.6
Kleinite # C63/mmc 13.56 11.13 18 1,772.33 8.01 8.0
Klochite P6/mcc 10.12 14.298 2 1,268.14 3.11
Klockmannite # P63mmc 3.938 17.25 6 231.67 6.13 6.0
Kokchetavite ! P6/mmm(?) 5.27 7.82 1 188.09 2.46
Kotulskite P63mmc 4.19 5.67 2 86.21 9.80 8.3
Koutekite # P63mmc 11.51 14.54 18 1,668.19 8.38 8.5
Langisite P63mmc 3.538 5.127 2 55.58 7.99 8.2
Lindqvistite P63mmc 5.951 33.358 2 1,023.08 5.73 5.8
Lonsdaleite P63mmc 2.52 4.12 4 22.66 3.52 3.3 - 3.5
Luanheite P63mmc 6.61 10.98 6 415.47 12.57 12.5
Lukechangite-(Ce) ! P63mmc 5.068 22.87 2 508.71 3.97 4.0
Magnetoplumbite # P63mmc 5.873 23.007 2 687.24 5.71 5.5
Manasseite # P63mmc 6.12 15.324 1 497.06 2.02 2.0
Mavlyanovite ! P63mcm 6.8971 4.8075 2 198.05 6.02
Mazzite-Mg P63mmc 18.392 7.646 1 2,239.87 2.08 2.1
Mazzite-Na ! P63mmc 18.2343 7.6371 1 2,199.06 2.18
Merrihueite P6/mcc 10.16 14.32 2 1,280.15 2.92 2.9
Methane hydrate-H ! P6/mmm 12.26 10.17 1 1,323.83 .96 .9
Milarite # P6/mcc 10.41 13.845 1 1,299.35 2.53 2.5
Molybdenite # P63mmc 3.16 12.3 2 106.37 5.00 5.5
Natrofairchildite P63mmc 5.291 13.218 2 320.46 2.14 2.5
Nezilovite ! P63mmc 5.854 22.882 2 679.09 5.84 5.7
Nickeline # P63mmc 3.609 5.019 2 56.61 7.84 7.8
Niggliite # P63mmc 4.111 5.446 2 79.71 13.07 13.4
Oftedalite ! P6/mmc 10.097 13.991 2 1,235.28 2.62
Osmium # P63mmc 2.714 4.314 2 27.52 23.01 19.0 - 21.0
Osumilite-(Fe) # P6/mcc 10.155 14.284 2 1,275.68 2.73 2.6
Osumilite-(Mg) P6/mcc 10.117 14.255 2 1,263.58 2.67 2.6
Penfieldite # P6/mmm 11.28 48.65 36 5,360.83 6.00 5.8
Perhamite P6/mmm 7.02 20.21 1 862.52 2.53 2.6
Perlialite P6/mmm 18.49 7.51 1 2,223.54 2.26 2.1
Plumboferrite # P63mmc 5.931 23.551 2 717.46 6.08 6.0
Plumbopalladinite P63mmc 4.47 5.719 1 98.96 12.31 12.4
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