Trigonal - Pyramidal Class (H-M Symbol (3))
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
| Mineral | Space Grp |
a | c | Z | Vol (Ang3) | Calc Dens |
Meas Dens |
| Aktashite | R3 | 13.72 | 9.32 | 3 | 1,519.34 | 5.47 | 5.5 |
| Averievite ! | P3 | 6.375 | 8.399 | 1 | 295.61 | 4.01 | 3.5 - 4.0 |
| Bechererite ! | P3 | 8.322 | 7.376 | 1 | 442.39 | 3.50 | 3.5 |
| Belovite-(Ce) # | P3 | 9.692 | 7.201 | 2 | 585.80 | 4.23 | 4.2 |
| Benstonite | R3 | 18.28 | 8.67 | 3 | 2,509.01 | 3.61 | 3.6 - 3.7 |
| Biachellaite | P3 | 12.913 | 79.605 | 16 | 11,495.4 | 2.71 | |
| Bottinoite | P3 | 16.045 | 9.784 | 6 | 2,181.36 | 2.81 | 2.8 |
| Brandholzite ! | P3 | 16.114 | 9.863 | 6 | 2,217.92 | 4.62 | |
| Cappelenite-(Y) # | P3 | 10.67 | 4.68 | 1 | 461.43 | 4.84 | 4.4 |
| Carlinite | R3 | 12.12 | 18.175 | 27 | 2,312.12 | 8.55 | 8.1 |
| Deloneite-(Ce) ! | P3 | 9.51 | 7.01 | 2 | 549.05 | 3.84 | 3.9 - 4.0 |
| Diversilite-(Ce) ! | R32 | 10.708 | 60.073 | 6 | 5,965.23 | 3.80 | 3.7 |
| Dixenite # | R3 | 8.233 | 37.49 | 3 | 2,200.71 | 4.36 | 4.2 |
| Franciscanite-III | P3 | 8.148 | 4.804 | 1 | 276.21 | 4.29 | 4.1 |
| Franciscanite-VIII | P3 | 8.148 | 4.804 | 2 | 276.21 | 3.99 | 4.1 |
| Ganomalite # | P3 | 9.82 | 10.13 | 1 | 845.99 | 5.69 | 5.7 |
| Gordaite ! | P3 | 8.363 | 13.018 | 2 | 788.50 | 2.64 | 2.6 |
| Gruzdevite | R3 | 13.9 | 9.432 | 3 | 1,578.21 | 5.85 | 5.9 |
| Hematolite # | R3 | 8.275 | 36.6 | 3 | 2,170.44 | 3.37 | 3.5 |
| Holfertite ! | P3 | 10.824 | 7.549 | 3 | 765.94 | 4.22 | |
| Ilimaussite-(Ce) | R32 | 10.77 | 61.05 | 3 | 6,132.65 | 3.45 | 3.6 |
| IMA2009-001 | R3 | 9.1202 | 102.145 | 3 | 7,357.95 | 3.11 | |
| Jarosite # | R3 | 7.21 | 17.03 | 3 | 766.68 | 3.25 | 2.9 - 3.3 |
| Kelyanite | P3 | 13.56 | 10.004 | 3 | 1,593.03 | 8.68 | 8.5 - 8.6 |
| Kuzelite ! | R3 | 5.76 | 53.66 | 3 | 1,541.79 | 2.01 | 2.0 |
| Nowackiite | R3 | 13.44 | 9.17 | 3 | 1,434.49 | 4.38 | |
| Oneillite ! | R3 | 14.192 | 29.983 | 3 | 5,229.90 | 2.98 | 3.2 |
| Orebroite-III | P3 | 8.183 | 4.756 | 1 | 275.80 | 4.55 | 4.8 |
| Orebroite-VIII | P3 | 8.183 | 4.756 | 2 | 275.80 | 4.61 | |
| Parisite-(Ce) # | R3 | 7.1248 | 14.0175 | 3 | 616.24 | 4.34 | 4.4 |
| Parisite-(Nd) | R3 | 7.125 | 14.018 | 3 | 616.29 | 4.49 | 4.2 - 4.5 |
| Rontgenite-(Ce) # | R3 | 7.13 | 69.4 | 9 | 3,055.41 | 4.19 | |
| Sheldrickite ! | P32 | 6.718 | 15.05 | 3 | 588.23 | 2.86 | 2.9 |
| Simpsonite # | P3 | 7.377 | 4.514 | 1 | 212.74 | 6.35 | 6.7 |
| Stavelotite-(La) ! | P31 | 11.525 | 33.347 | 3 | 3,835.92 | 4.47 | |
| Stillwellite-(Ce) # | P31 | 6.844 | 6.7 | 3 | 271.79 | 4.51 | 4.6 |
| Voronkovite ! | R3 | 14.205 | 30.265 | 3 | 5,288.76 | 2.94 | 3.0 |
| Welinite-III | P3 | 8.155 | 4.785 | 1 | 275.59 | 5.42 | 4.5 |
| Welinite-VIII | P3 | 8.155 | 4.785 | 2 | 275.59 | 4.85 | 4.5 |
| Zussmanite | R3 | 11.65 | 28.688 | 3 | 3,371.96 | 3.17 | 3.1 |