Mineralogy Database

Monoclinic - Sphenoidal Class

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Monoclinic - Sphenoidal Class (H-M Symbol (2))

Axial Diagram, Paper Model and KrystalShaper Form
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81 Minerals From the H-M Class Monoclinic - Sphenoidal
Mineral Space
Grp		 a b c alpha Z Vol (Ang3) Calc
Dens		 Meas
Dens
Afwillite # P21 11.39 5.47 13.09 98.433 4 806.73 2.82 2.6
Alflarsenite P21 7.1222 19.8378 9.8071 111.287   1,291.10  
Alumoklyuchevskite I2 18.432 5.139 18.69 101.12 4 1,737.12 2.87 3.1
Amicite I2 10.226 10.422 9.884 88.317 2 1,052.94 2.18 2.1
Armstrongite C2 14.108 14.133 7.84 109.4 4 1,474.45 2.68 2.7
Barytocalcite # P21 8.134 5.229 6.547 73.867 2 267.50 3.69 3.6 - 3.7
Basaluminite ? P21 12.954 10.004 11.064 104.1 4 1,390.61 2.22 2.1
Bermanite # P21 5.446 19.25 5.428 110.29 2 533.74 2.87 2.8
Bijvoetite-(Y) B1211 (pseudo ORTHO) 21.234 12.958 44.911 90 4 12,357.3 3.80 3.9
Boltwoodite # P21 13.71 7.14 12.35 102.2 6 1,181.63 3.62 3.6
Brabantite ? P21 6.726 6.933 6.447 103.883 2 291.85 5.26 4.7
Brindleyite C2 5.286 9.133 7.31 104.15 2 342.20 3.30 3.2
Bykovaite ! I11b 5.552 7.179 50.94 91.1 4 2,029.98 2.70 3.0
Calcioferrite # C2 10.34 24.2 6.31 91.5 2 1,578.40 2.59 2.5
Camerolaite P21 ? 10.765 2.903 12.527 95.61 1 389.60 3.15 3.1
Campigliaite C2 21.707 6.098 11.245 100.3 4 1,464.51 3.06 3.0
Chalcoalumite # P21 17.09 8.915 10.221 95.883 4 1,549.04 2.25 2.3
Chekhovichite P21 19 7.982 6.938 95.67 4 1,047.06 6.84 6.9
Chromceladonite ! C2 5.267 9.101 10.162 100.67 2 478.69 2.93 2.9
Clinobehoite P21 11.02 4.745 8.646 98.94 12 446.61 1.92 1.9
Crawfordite P21 9.178 6.707 5.279 89.163 2 324.92 3.18 3.0 - 3.1
Cymrite # P21 (pseudo-HEX) 5.33 36.6 7.67 90 8 1,496.25 3.49 3.4
Englishite # A2 or Aa 38.43 11.86 20.67 111.27 4 8,779.22 2.69 2.7
Fergusonite-beta-(Ce) I2 5.19 11.34 5.48 95.57 4 321.00 5.98 5.3
Fergusonite-beta-(Nd) I2 5.07 5.62 5.41 93 2 153.94 6.16 6.4
Fergusonite-beta-(Y) I2 5.292 10.94 5.069 94.6 4 292.52 5.58
Fettelite ! C2 26.0388 15.0651 15.5361 90.48 8 6,094.24 5.93 6.3
Fichtelite # P21 10.706 7.458 10.824 105.85 2 831.39 1.05 1.0
Franklinfurnaceite C2 5.483 9.39 14.51 97.04 2 741.42 3.72 3.7
Goosecreekite P21 7.401 17.439 7.293 105.44 2 907.31 2.23 2.2
Halotrichite # P2 20.519 24.297 6.181 100.9 4 3,025.94 1.95 1.8 - 1.9
Hydrocalumite # P21 9.6 11.4 16.84 111 8 1,720.56 2.23 2.2
Joaquinite-(Ce) # C2 10.516 9.686 11.833 109.67 2 1,134.95 4.15 3.6 - 4.0
Kingsmountite C2 10.029 24.46 6.258 91.16 2 1,534.83 2.61 2.5
Koragoite P21 24.73 5.056 5.76 103.5 2 700.30 5.36 4.7 - 6.2
Krautite P21 8.012 15.956 6.8 96.6 8 863.55 3.54 3.3
Larisaite ! Pm 6.9806 17.249 7.646 90.039 2 920.64 4.46
Latiumite # P21 12.06 5.08 10.81 106 1 636.62 2.93 2.9
Levyclaudite A2 ? 11.84 5.825 5.831 92.6 3 401.74 6.20
Lithosite P21 (pseudo ORTH) 15.197 10.233 8.435 90.21 2 1,311.73 2.49 2.5
Liveingite # P21 8.37 70.49 7.91 90.13 4 4,666.90 5.32 5.3
Marumoite ! P21 8.368 115.75 7.903 90.11 2 7,654.80 5.46
Mbobomkulite P21 10.171 8.865 17.145 95.37 4 1,539.11 2.45 2.3
Mesolite # C2 56.7 6.55 18.48 90 8 6,863.19 2.25 2.2 - 2.4
Metaheinrichite # P21 6.943 17.634 6.952 90.023 2 851.15 4.29 4.0
Metauranocircite P21 6.965 6.964 17.65 90.6 2 856.05 3.85 4.0
Mosandrite # P21 18.41 5.64 7.43 93 2 770.42 3.94 3.3
Nickelalumite * P21 10.175 8.86 17.174 95.95 4 1,539.90 2.73 2.2
Omongwaite ! C2 12.08 6.96 6.39 90.2 1 537.25 2.72
Orlovite C2 5.199 9.068 10.07 99.35   468.44  
Paradocrasite C2 7.252 4.172 4.431 123.13 1 112.27 6.86 6.5
Paulmooreite P21 8.558 5.654 13.606 108.88 4 622.93 6.87 6.9
Penobsquisite ! P21 11.63 9.38 8.735 98.4 2 942.67 2.29 2.3
Perraultite C2 10.371 13.841 24.272 121.19 4 2,980.51 3.94 3.7
Petersenite-(Ce) P21 20.84 6.374 10.578 120.43 4 1,211.56 3.69 3.7
Petewilliamsite ! C2 33.256 8.4818 14.191 104.145 1 3,881.50 2.45
Pickeringite # P2 20.8 24.2 6.18 95 4 3,098.93 1.84 1.8 - 1.9
Plombierite # B11b 6.735 7.425 27.987 123.25 2 1,170.43 2.18 2.0
Qilianshanite C2 16.119 6.928 6.73 100.46 4 739.07 1.63 1.7
Queitite P21 11.362 5.266 12.652 108.16 2 719.29 6.08 6.1
Quenselite # P2 5.61 5.68 9.16 93.3 4 291.40 7.09 6.8
Ravatite P21 8.392 6.181 9.558 98.48 2 490.36 1.21 1.1
Remondite-(Ce) P21 10.444 6.313 10.445 119.86 3 597.25 5.10 3.4
Remondite-(La) ! P21 10.49 6.417 10.5 119.8 2 613.34 3.38 3.5
Revdite C2 5.383 9.972 6.907 96.78 2 368.17 2.46 1.9
Rinkite ! P21 5.679 7.412 18.835 102.26 2 774.74 3.52 3.5
Rouaite ! P21 5.596 6.079 6.925 94.67 2 234.79 3.40 3.4
Ruitenbergite P21 19.88 9.715 17.551 114.85 2 3,075.85 2.13 2.2
Searlesite # P21 7.972 7.052 4.9 93.95 2 274.82 2.46 2.5
Sphaerobertrandite ! P2 5.081 4.639 17.664 106.09 4 400.04 2.53 2.5
Strontioborite P21 9.83 8.22 7.55 107.766 2 580.97 2.39 2.8
Strontiojoaquinite C2 10.516 9.764 11.87 109.283 2 1,150.42 3.71 3.7
Surkhobite ! C2 10.719 13.838 20.805 95.09 2 3,073.83 3.81 3.8
Svyatoslavite P21 8.228 8.621 4.827 90 2 342.40 2.70 2.7
Taikanite C2 14.6 7.759 5.142 93.25 2 581.56 3.79 4.7
Thomasclarkite-(Y) ! P2 4.556 13.018 4.566 90.15 1 270.81 2.30 2.3
Uranophane # P21 15.87 7.05 6.66 97.25 3 739.19 3.95 3.9
Veatchite-p ! P21 6.72 20.7 6.58 119.67 2 795.30 2.73 2.6 - 2.7
Voglite # P21 25.97 24.5 10.7 104 16 6,605.81 3.06 2.8
Wollastonite-2M * P21 7.94 7.32 7.07 90.033 6 397.81 2.91 2.8 - 2.9
Yoderite P21 7.9933 5.787 7.2213 104.974 1 322.69 3.38 3.4