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Tetragonal - Ditetragonal Dipyramidal Class

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Tetragonal - Ditetragonal Dipyramidal Class (H-M Symbol (4/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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171 Minerals From the H-M Class Tetragonal - Ditetragonal Dipyramidal
Mineral Space
Grp
a c Z Vol (Ang3) Calc
Dens
Meas
Dens
Abernathyite # P4/ncc 7.17 9.08 2 466.79 3.70 3.3 - 3.6
Abswurmbachite I41/acd 9.406 18.546 8 1,640.82 4.98 5.0
Aminoffite # I4/mmm 9.865 9.93 4 966.37 2.86 2.9
Anatase # I41/amd 3.793 9.51 4 136.82 3.88 3.9
Anyuiite I4/mcm 7.39 5.61 4 306.37 12.33
Apophyllite * P4/mnc 8.96 15.78 2 1,266.84 2.38 2.3 - 2.4
Apophyllite-(KF) P4/mnc 8.963 15.804 2 1,269.62 1.99 2.3 - 2.4
Apophyllite-(KOH) P4/mnc 8.978 15.83 2 1,275.97 1.98 2.3 - 2.4
Apuanite P42/mbc 8.367 17.959 4 1,257.25 5.23 5.3
Arapovite ! P4/mcc 7.6506 14.9318 2 873.98 3.41
Argutite P4/mnm 4.3963 2.8626 2 55.33 6.28
Arsenohauchecornite I4/mmm 10.2711 10.807 2 1,140.09 6.62 6.3
Ashcroftine-(Ce) * I4/mmm 23.994 17.512 4 10,081.9 2.80 2.5 - 2.6
Ashcroftine-(Y) # I4/mmm 23.994 17.512 4 10,081.9 2.51 2.6
Ashoverite I41/amd 6.825 33.36 32 1,553.93 3.40 3.3
Asisite I4/mmm 3.8932 22.803 1 345.63 7.94
Atlasovite P4/ncc 9.86 20.58 4 2,000.78 4.20 4.2
Autunite # I4/mmm 7.009 20.736 2 1,018.68 3.22 3.1 - 3.2
Babefphite I41/amd 4.89 16.74 4 400.29 4.31 4.3
Bambollaite I41/amd 3.865 5.632 1 84.13 4.85 5.6
Bandylite # P4/nmm 6.14 5.58 2 210.36 2.81 2.8
Bartonite I4/mmm 10.424 20.626 4 2,241.22 3.33 3.3
Behierite I41/amd 6.206 5.472 4 210.75 7.06 7.8 - 7.9
Bismoclite # P4/nmm 3.883 7.347 2 110.78 7.81 7.7
Bismutohauchecornite P4/mmm 7.37 5.88 1 319.38 6.25
Bortnikovite ! P4/mmm 6 8.5   306.00  
Braunite-I # I41/acd 9.38 18.67 8 1,642.67 4.89 4.7 - 4.8
Braunite-II * I41/acd 9.38 18.67 8 1,642.67 4.89 4.7 - 4.8
Bukovite I4/mmm 3.966 13.713 1 215.69 7.48 7.4
Bystromite # P42/mnm 4.68 9.21 2 201.72 5.99 5.7
Calomel # I4/mmm 4.45 10.89 2 215.65 7.27 6.4 - 6.5
Cameronite P42/mmc 12.695 42.186 16 6,798.82 7.15
Caminite I41/amd 5.239 12.988 1 356.48 3.43 2.6 - 2.8
Carletonite P4/mbm 13.178 16.695 4 2,899.25 2.35 2.5
Cassiterite # P4/mnm 4.738 3.118 2 69.99 7.15 6.8 - 7.0
Cerchiaraite ! I4/mmm 14.215 6.126 2 1,237.86 3.75
Chalcothallite I4/mmm 3.827 34.28 2 502.06 6.73 6.6
Chernikovite P4/nmm 7.02 9.043 1 445.64 3.26
Chernovite-(Ce) * I41/amd     4     4.5
Chernovite-(Y) I41/amd 7.09 6.32 4 317.69 4.78 4.9
Chiolite # P4/mnc 7.005 10.39 2 509.84 3.01 2.8 - 2.9
Chlorbartonite ! I4/mmm 10.381 20.614 2 2,221.47 3.67 3.7
Chromatite I41/amd 7.242 6.29 4 329.89 3.14 3.1
Coccinite ! P42/nmc 4.376 12.41 1 237.64 3.17
Coffinite # I41/amd 6.93 6.25 3 300.16 5.44 5.1
Cooperite # P42/mmc 3.47 6.1 2 73.45 8.45 9.5
Cumengite # I4/mmm 15.1007 24.494 2 5,585.40 4.70 4.7
Cuprorivaite # P4/nnc 7.3 15.12 4 805.74 3.10 3.1
Cuprostibite P4/nmm 3.99 6.09 2 96.95 9.09 8.4
Daubreeite # P4/nmm 3.86 7.41 2 110.41 7.56 6.5
Denningite P42/nbc 8.82 13.04 8 1,014.41 5.14 5.1
Donathite ? P4/nnm 8.342 8.305 10 577.94 6.40 5.0
Downeyite P4/mbc 8.36 5.07 8 354.34 4.16 4.1
Dreyerite I41/amd 7.303 6.458 4 344.43 6.25 6.2
Effenbergerite P4/nnc 7.442 16.133 4 893.50 3.52 3.6 - 3.5
Ferdisilicite * P4/mmm 2.69 5.08 1 36.76 5.06 5.1
Ferronickelplatinum P4/mmm 3.871 3.635 1 54.47 15.39 15.4
Fluorvesuvianite ! P4/nnc 15.51 11.779 2 2,833.56 3.41 3.5
Fullerite ! pseudo-CUBIC 14.22 13.56 4 2,741.95 1.75 1.9 - 2.0
Gainesite I41/amd 6.567 17.119 2 738.27 2.88 2.9
Gillespite # P4/ncc 7.5164 16.0768 4 908.28 3.40 3.3
Hafnon I41/amd 6.5725 5.9632 4 257.60 6.30 7.0
Hauchecornite # P4/mmm 7.29 5.4 1 286.98 6.58 6.4
Hausmannite # I41/amd 5.76 9.44 4 313.20 4.85 4.7 - 4.8
Henritermierite I41/acd 12.39 11.91 8 1,828.33 3.40 3.3
Hetaerolite # I41/amd 5.74 9.15 4 301.47 5.27 4.8 - 5.2
Hiarneite ! I41/acd 15.264 10.089 8 2,350.63 5.18 5.4
Holtstamite ! I41/acd 12.337 11.93 8 1,815.76 3.33
Hydrohetaerolite # I41/amd 5.735 9.005 2 296.18 5.57 4.6
Hydroromarchite P4/mnc 7.89 9.01 2 560.89 2.50
Ilmenorutile # P4/mnm 4.606 2.982 2 63.26 5.00 4.3 - 4.9
Indium I4/mmm 3.25 4.95 2 52.28 7.29 7.2 - 7.4
Iraqite-(La) P4/mcc 7.61 14.77 1 855.36 3.17 3.3
Iwakiite P42/nnm 8.519 8.54 8 619.78 4.93 4.8
Jalpaite # I41/amd 8.633 11.743 8 875.19 6.85 6.8
Juanitaite ! P42/nnm 9.961 29.19 4 2,896.28 3.58 3.6
Khatyrkite I4/mcm 6.07 4.89 4 180.17 4.35
Kusachiite P4/ncc 8.511 5.823 4 421.80 8.59 8.5
Kuzminite I4/mmm 4.597 11.034 2 233.18 7.67 7.0 - 7.2
Leadamalgam I4/mmm 3.545 4.525 1 56.87 17.96
Litharge # P4/nmm 3.976 5.023 2 79.41 9.33 9.1 - 9.4
Macedonite P4/mmm 3.889 4.209 1 63.66 7.91 7.8
Mackayite # I41/acd 11.704 14.885 16 2,039.00 5.32 4.9
Mackinawite P4/nmm 3.676 5.032 2 68.00 4.17
Matlockite # P4/nmm 4.11 7.246 2 122.40 7.10 7.1
Mccrillisite I41/amd 6.573 17.28 2 746.57 3.35 3.1
Melanophlogite # P42/nbc 26.79 13.395 4 9,613.65 2.02 2.0 - 2.1
Meta-ankoleite P4/nmm 6.993 8.891 1 434.79 3.50 3.5
Meta-autunite # P4/nmm 6.988 8.459 1 413.07 3.39 3.5
Metakahlerite P4/mmm 7.18 8.58 1 442.32 3.82 3.5
Metakirchheimerite # P4/mmm 7.18 8.58 1 442.32 3.83 3.2
Metauranospinite # P4/nmm 7.14 17 2 866.65 3.84
Minium # P42/mbc 8.815 6.565 4 510.13 8.93 8.2
Mitscherlichite # P42/mnm 7.45 7.88 2 437.36 2.43 2.4
Moschelite I4/mmm 4.92 11.6 2 280.79 7.75
Muirite P4/mmm 14 5.625 1 1,102.50 3.80 3.9
Murunskite I4/mmm 3.88 13.1 1 197.21 3.81
Nabokoite P4/ncc 9.84 20.52 4 1,986.86 3.98 4.2
Natisite P4/nmm 6.5 5.07 2 214.21 3.13 3.2
Natrouranospinite # P4/nmm 7.12 8.61 1 436.48 3.62 3.8
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