Hexagonal - Dihexagonal Dipyramidal Class (H-M Symbol (6/m 2/m 2/m))
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| Mineral | Space Grp |
a | c | Z | Vol (Ang3) | Calc Dens |
Meas Dens |
| Rhenium * | P63mmc | 2.76 | 4.458 | 2 | 29.41 | 21.03 | 21.0 |
| Roedderite | P63mmc | 10.139 | 14.275 | 2 | 1,270.86 | 2.70 | 2.6 |
| Rutheniridosmine | P63mmc | 2.71 | 4.3 | 2 | 27.35 | 22.16 | |
| Ruthenium | P63mmc | 2.704 | 4.326 | 2 | 27.39 | 16.65 | 12.2 |
| Sacrofanite | P63mmc ? | 12.865 | 72.24 | 14 | 10,354.5 | 2.62 | 2.4 |
| Schachnerite | P63mmc | 2.978 | 4.842 | 1 | 37.19 | 13.36 | |
| Sederholmite | P63mmc | 3.65 | 5.34 | 2 | 61.61 | 7.42 | |
| Shibkovite ! | P6/mcc | 10.505 | 14.185 | 2 | 1,355.66 | 2.89 | |
| Sjogrenite # | P63mmc | 3.113 | 15.61 | 0.25 | 131.01 | 2.10 | 2.1 |
| Sobolevskite | P63mmc | 4.23 | 5.69 | 2 | 88.17 | 11.88 | 11.9 |
| Sogdianite | P6/mmm | 10.059 | 14.052 | 2 | 1,231.34 | 2.83 | 2.9 |
| Sorosite ! | P63mmc | 4.217 | 5.12 | 2 | 78.85 | 7.71 | 7.6 - 7.9 |
| Stannopalladinite # | P63mmc | 4.4 | 5.66 | 1 | 94.90 | 9.18 | 10.2 |
| Stoppaniite ! | P6/mmc | 9.346 | 9.213 | 1 | 696.92 | 2.84 | 2.8 |
| Stumpflite | P63mmc | 4.175 | 5.504 | 2 | 83.08 | 13.54 | 13.5 |
| Stutzite | P6/mmm | 13.49 | 8.48 | 7 | 1,336.44 | 7.74 | 8.0 |
| Sudburyite | P63mmc | 4.06 | 5.59 | 2 | 79.80 | 9.00 | |
| Sugilite | P6/mcc | 10.009 | 14.006 | 2 | 1,215.14 | 2.85 | 2.7 |
| Titanium * | P63mmc | 2.95 | 4.69 | 2 | 35.35 | 4.50 | 4.3 - 4.5 |
| Trattnerite ! | P6/mcc | 10.05 | 14.338 | 2 | 1,254.16 | 2.69 | |
| Troilite # | P63mmc | 3.452 | 5.762 | 2 | 59.46 | 4.91 | 4.6 - 4.7 |
| Tungstenite # | P63mmc | 3.154 | 12.362 | 2 | 106.50 | 7.73 | 7.4 |
| Vaterite # | P63mmc | 7.135 | 16.98 | 12 | 748.61 | 2.66 | 2.5 |
| Vavrinite ! | P63mmc | 3.909 | 15.682 | 2 | 207.52 | 7.86 | 7.8 |
| Verplanckite | P6/mmm | 16.398 | 7.2 | 6 | 1,676.66 | 3.48 | 3.5 |
| Wallkilldellite | P6/mmc | 6.506 | 23.49 | 1 | 861.08 | 2.90 | 2.8 |
| Weishanite | P63mmc | 2.9265 | 4.8178 | 0.25 | 35.73 | 10.75 | |
| Weissite # | P6/mmm | 8.432 | 21.69 | 24 | 1,335.52 | 7.41 | 6.0 |
| Xifengite | P63mcm | 6.759 | 4.72 | 2 | 186.74 | 6.46 | 6.4 |
| Yagiite | P6/mmc | 10.09 | 14.29 | 1 | 1,259.93 | 2.62 | 2.7 |
| Yimengite | P63mmc | 5.875 | 22.94 | 2 | 685.71 | 4.06 | 4.3 |
| Yuanjiangite | P63mmc | 4.316 | 5.51 | 2 | 88.89 | 11.79 | 11.7 - 11.9 |
| Zaccagnaite ! | P63mmc | 3.0725 | 15.1135 | 0.3333 | 123.56 | 2.82 | |
| Zenzenite | P63mcm | 10.008 | 13.672 | 4 | 1,185.93 | 6.84 | 6.8 |
| Zinc # | P63mmc | 2.6591 | 4.9353 | 2 | 30.22 | 7.19 | 6.9 - 7.2 |