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Orthorhombic - Pyramidal Class

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Orthorhombic - Pyramidal Class (H-M Symbol (mm2))

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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133 Minerals From the H-M Class Orthorhombic - Pyramidal
Mineral Space
Grp
a b c Z Vol (Ang3) Calc
Dens
Meas
Dens
Alfredstelznerite Pca21 12.161 40.477 10.1843   5,013.13  
Althausite Pna21 8.258 14.383 6.054 8 719.06 2.98 3.0
Argyrodite # Pna2 15.149 7.476 10.589 4 1,199.25 6.25 6.1 - 6.3
Armenite # Pnc2 18.66 10.697 13.874 4 2,769.33 2.75 2.8
Banalsite # Iba2 8.54 10.0127 16.7897 4 1,435.66 3.05 3.1
Barioperovskite ! Amm2 3.9874 5.6751 5.6901 2 128.76 5.91
Barylite # Pn21a 9.82 11.65 4.673 4 534.61 4.02 4.0 - 4.1
Batisite Ima2 10.41 13.85 8.06 4 1,162.08 3.57 3.4
Bavenite # Am2a 19.39 23.19 5.005 4 2,250.52 2.75 2.7
Becquerelite # Pn21a 13.8378 12.3781 14.9238 4 2,556.23 5.12 5.1
Bertrandite # Ccm21 15.22 8.69 4.54 4 600.47 2.64 2.6
Billietite # Pbn21 12.0941 30.211 7.1563 4 2,614.73 5.25 5.3
Bismutite # Imm2 3.865 3.862 13.675 2 204.12 8.30 7.0
Blossite Fdd2 20.676 8.392 6.446 8 1,118.46 4.05 4.0
Boracite # Pca21 8.54 8.54 12.1 4 882.47 2.95 2.9
Borishanskiite Ccm21 7.18 8.62 10.66 12 659.76 10.06
Boromullite ! Cmc21 5.7168 15.023 7.675 2 659.16 3.08
Bredigite # P2nn 10.909 18.34 6.739 4 1,348.28 3.32 3.4
Buchwaldite Pmn21 5.167 9.259 6.737 4 322.31 3.26 3.2
Caledonite # Pmn21 20.088 7.143 6.564 2 941.86 5.69 5.7 - 6.4
Canfieldite # Pna21 15.298 7.548 10.699 4 1,235.41 6.31 6.3
Carbocernaite Pmc21 6.41 7.279 5.198 2 242.53 3.62 3.5
Caysichite-(Y) Ccm21 13.3 13.95 9.74 4 1,807.11 3.01 3.0
Cervantite # Pbn21 5.436 4.81 11.76 4 307.49 6.64 6.4 - 6.6
Chambersite Pca21 8.68 8.68 12.26 4 923.70 3.48 3.5
Chesterite A21ma 18.614 45.306 5.2966 4 4,466.76 3.09 3.2
Childrenite # Bba2 10.395 13.394 6.918 8 963.20 3.17 3.2
Chkalovite # Fdd2 21.1 21.1 6.87 24 3,058.59 2.70 2.7
Cobaltite # Pca21 5.57 5.582 5.582 4 173.55 6.35 6.3
Costibite Pmn21 3.603 4.868 4.838 2 84.86 8.33 6.9
Damaraite Pmc2 5.813 6.921 15.192 4 611.20 7.67
Daomanite * Ama2 5.852 15.876 3.756 4 348.96 7.57 7.0
Derriksite Pn21m 5.57 19.088 5.965 2 634.20 4.61 4.7
Dittmarite # Pmn21 5.606 8.758 4.788 2 235.08 2.19 2.2
Dyscrasite # Pm2m 2.996 5.235 4.83 1 75.75 9.76 9.4 - 10.0
Edenharterite Fdd2 15.465 47.507 5.843 16 4,292.83 5.53
Elpidite # Pb21m 7.297 14.302 7.032 2 733.87 2.71 2.5
Emilite ! Pmc21 4.0285 44.986 11.599 4 2,102.04 7.05
Enargite # Pnm21 6.41 7.42 6.15 2 292.51 4.47 4.4 - 4.5
Ericaite # Pca21 8.58 8.69 12.17 4 907.40 3.35 3.2
Flagstaffite # Fdd2 18.6 23 10.86 16 4,645.91 1.09 1.1
Fourmarierite # Bb21m 13.986 16.4 14.293 8 3,278.39 5.98 5.7 - 6.1
Friedrichite Pb21m 33.84 11.65 4.01 6 1,580.89 21.39 7.0
Gabrielsonite P21m 7.86 8.62 5.98 4 405.16 6.87 6.7
Gaidonnayite P21nb 11.74 12.82 6.691 4 1,007.04 2.65 2.7
Gaultite F2dd 10.211 39.88 10.304 8 4,195.94 2.52 2.5
Georgechaoite P21nb 11.836 12.94 6.735 4 1,031.52 2.69 2.7
Gobbinsite Pmn21 10.1027 9.8016 10.1682 1 1,006.88 2.21 2.1
Grumantite Fdd2 15.979 18.25 7.16 16 2,087.98 2.27 2.2
Guilleminite P21nm 7.25 16.84 7.08 2 864.40 4.95 4.9
Haradaite Ama2 7.06 14.64 5.33 1 550.90 3.68 3.8
Hemimorphite # Imm2 8.37 10.719 5.12 2 459.36 3.48 3.4 - 3.5
Hillebrandite # Cmc21 3.6389 16.311 11.829 2 702.10 2.70 2.7
Hydrodelhayelite Pnm21 6.648 23.846 7.073 2 1,121.27 2.24 2.2
Ianthinite # P21cn 7.178 11.473 30.39 26 2,502.71 5.24 5.2
IMA2007-047 ! Pnn2 11.3757 11.5051 6.5568 2 858.14 2.54
Jerrygibbsite Pbn21 4.85 10.7 28.17 4 1,461.88 4.10 4.0
Johnwalkite Pb21m 7.516 10.023 6.502 2 489.81 3.26 3.4
Junitoite Bbm2 6.309 12.503 8.549 4 674.36 3.52 3.5
Kamchatkite Pna21 9.741 12.858 7.001 4 876.87 3.59 3.5
Kenhsuite ! A2mm 9.332 16.82 9.108 8 1,429.63 6.85 6.8
Kilchoanite I2cm 11.42 5.09 21.95 8 1,275.91 3.00 3.0
Klebelsbergite # Pca21 11.279 14.909 5.7648 4 969.40 4.67 4.6
Knasibfite ! Imm2 5.521 17.115 9.186 2 868.00 2.77 2.8
Kostovite Pma2 16.5 8.84 4.42 4 644.70 7.94 8.4
Kratochvilite # Pna21 8.514 5.744 18.52 4 905.71 1.22 1.2
Krennerite # Pma2 16.54 8.82 4.46 8 650.64 9.23 8.5
Krupkaite Pmc21 4.003 11.2 11.56 2 518.28 6.98
Liebigite # Bba2 16.703 17.513 13.741 8 4,019.51 2.41 2.4
Likasite # Pc21n 5.828 6.769 21.69 4 855.66 2.90 3.0
Lisetite Pbc2 8.26 17.086 9.654 4 1,362.47 2.74
Lithiophosphate # Pmn21 6.1155 5.234 4.8452 2 155.09 2.48 2.5
Lokkaite-(Y) Pb2m 39.35 6.104 9.26 4 2,224.18 2.92 2.9
Lovdarite Pma2 39.576 6.9308 7.1526 2 1,961.91 2.48 2.3
Madocite Pb2a 27.2 34.1 4.06 2 3,765.73 6.03 6.0
Magnolite # Pbm2 5.948 10.58 3.745 2 235.67 8.13
Marthozite Pbn21 6.9879 16.4537 17.2229 4 1,980.23 4.37 4.4
Metavanmeersscheite Fdd2 34.18 33.88 14.074 32 16,298.0 4.49 4.5
Miharaite Pb21m 10.854 11.985 3.871 2 503.56 6.06 6.1
Minyulite # Pba2 9.337 9.74 5.522 2 502.18 2.46 2.5
Montesommaite Fdd2 10.099 10.099 17.307 1 1,765.14 2.29 2.3
Montetrisaite ! Cmc21 2.989 16.97 14.812 2 751.31 2.91
Mordenite # Cmc21 18.114 20.514 7.527 4 2,796.96 2.08 2.1 - 2.2
Nasinite Pna21 11.998 6.529 11.163 2 874.45 1.07
Natrolite # Fdd2 18.27 18.587 6.56 8 2,227.67 2.27 2.2
Nchwaningite Pca21 12.672 7.217 5.341 4 488.45 3.24 3.2
Nepouite # Ccm21 5.31 9.2 7.27 2 355.15 3.56 2.5 - 3.2
Niahite Pmn21 5.68 8.78 4.88 2 243.37 2.46 2.4
Nyerereite Cmc21 5.044 8.809 12.743 4 566.20 2.42 2.5
Olmsteadite Pb21m 7.512 10 6.492 2 487.68 3.57 3.3 - 3.4
Orthominasragrite ! Pmn21 7.246 9.333 6.21 2 419.96 2.00
Orthoserpierite Pca21 22.1 6.2 20.39 8 2,793.84 3.06 3.0
Paranatisite Pmc21 9.181 4.8 9.811 2 432.36 1.55 3.1
Pekoite P21am 11.472 33.744 4.016 2 1,554.64 6.92
Pentagonite Ccm21 10.298 13.999 8.89 4 1,281.60 2.34 2.3
Pertsevite ! Pna21 20.49 4.571 11.89 12 1,113.61 2.34
Petrukite Pmn21 7.667 6.44 6.276 2 309.88 4.07 4.6
Pierrotite Pna21 38.746 8.816 7.989 4 2,728.92 4.75 5.0
Pirssonite # Fdd2 11.32 20.06 6 8 1,362.48 2.36 2.3
Polarite Ccm21 7.191 8.693 10.681 16 667.68 12.53 12.5
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